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22330620 = 22335133181
BaseRepresentation
bin101010100101…
…1110011111100
31120000111212000
41111023303330
521204034440
62114342300
7360543564
oct125136374
946014760
1022330620
1111672364
12758a990
13481b1b0
142d73da4
151e61730
hex154bcfc

22330620 has 96 divisors (see below), whose sum is σ = 74840640. Its totient is φ = 5495040.

The previous prime is 22330619. The next prime is 22330621. The reversal of 22330620 is 2603322.

It is an interprime number because it is at equal distance from previous prime (22330619) and next prime (22330621).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22330593 and 22330602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22330621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5430 + ... + 8610.

It is an arithmetic number, because the mean of its divisors is an integer number (779590).

Almost surely, 222330620 is an apocalyptic number.

22330620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22330620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37420320).

22330620 is an abundant number, since it is smaller than the sum of its proper divisors (52510020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22330620 is a wasteful number, since it uses less digits than its factorization.

22330620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212 (or 3204 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 22330620 is about 4725.5285418670. The cubic root of 22330620 is about 281.6006116281.

Adding to 22330620 its reverse (2603322), we get a palindrome (24933942).

The spelling of 22330620 in words is "twenty-two million, three hundred thirty thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 180 195 234 260 270 351 390 468 540 585 702 780 1170 1404 1755 2340 3181 3510 6362 7020 9543 12724 15905 19086 28629 31810 38172 41353 47715 57258 63620 82706 85887 95430 114516 124059 143145 165412 171774 190860 206765 248118 286290 343548 372177 413530 429435 496236 572580 620295 744354 827060 858870 1116531 1240590 1488708 1717740 1860885 2233062 2481180 3721770 4466124 5582655 7443540 11165310 22330620