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22233152 = 263741229
BaseRepresentation
bin101010011010…
…0000001000000
31112211120011002
41110310001000
521142430102
62112311132
7356656454
oct124640100
945746132
1022233152
1111606107
1275424a8
1347b5a16
142d4a664
151e42902
hex1534040

22233152 has 56 divisors (see below), whose sum is σ = 46619160. Its totient is φ = 10506240.

The previous prime is 22233149. The next prime is 22233181. The reversal of 22233152 is 25133222.

It can be written as a sum of positive squares in 4 ways, for example, as 7054336 + 15178816 = 2656^2 + 3896^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96974 + ... + 97202.

It is an arithmetic number, because the mean of its divisors is an integer number (832485).

Almost surely, 222233152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22233152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23309580).

22233152 is an abundant number, since it is smaller than the sum of its proper divisors (24386008).

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

22233152 is a wasteful number, since it uses less digits than its factorization.

22233152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 309 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 22233152 is about 4715.2043433981. The cubic root of 22233152 is about 281.1903068706.

Adding to 22233152 its reverse (25133222), we get a palindrome (47366374).

It can be divided in two parts, 2223 and 3152, that multiplied together give a triangular number (7006896 = T3743).

The spelling of 22233152 in words is "twenty-two million, two hundred thirty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 37 41 64 74 82 148 164 229 296 328 458 592 656 916 1184 1312 1517 1832 2368 2624 3034 3664 6068 7328 8473 9389 12136 14656 16946 18778 24272 33892 37556 48544 67784 75112 97088 135568 150224 271136 300448 347393 542272 600896 694786 1389572 2779144 5558288 11116576 22233152