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22226430 = 2351794139
BaseRepresentation
bin101010011001…
…0010111111110
31112211012221010
41110302113332
521142221210
62112220050
7356631042
oct124622776
945735833
1022226430
1111601056
12753a626
1347b2945
142d48022
151e40920
hex15325fe

22226430 has 32 divisors (see below), whose sum is σ = 53654400. Its totient is φ = 5892512.

The previous prime is 22226423. The next prime is 22226431. The reversal of 22226430 is 3462222.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22226397 and 22226406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301 + ... + 7439.

It is an arithmetic number, because the mean of its divisors is an integer number (1676700).

Almost surely, 222226430 is an apocalyptic number.

22226430 is an abundant number, since it is smaller than the sum of its proper divisors (31427970).

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

22226430 is a wasteful number, since it uses less digits than its factorization.

22226430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22226430 is about 4714.4914890155. The cubic root of 22226430 is about 281.1619655335.

Adding to 22226430 its reverse (3462222), we get a palindrome (25688652).

The spelling of 22226430 in words is "twenty-two million, two hundred twenty-six thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 179 358 537 895 1074 1790 2685 4139 5370 8278 12417 20695 24834 41390 62085 124170 740881 1481762 2222643 3704405 4445286 7408810 11113215 22226430