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22552328 = 23232732
BaseRepresentation
bin101011000000…
…1111100001000
31120102202222102
41112001330020
521233133303
62123212532
7362456141
oct126017410
946382872
1022552328
1111803997
127677148
134898096
142dd0ac8
151ea7288
hex1581f08

22552328 has 36 divisors (see below), whose sum is σ = 44817885. Its totient is φ = 10638144.

The previous prime is 22552307. The next prime is 22552381. The reversal of 22552328 is 82325522.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 22448644 + 103684 = 4738^2 + 322^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=3358.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22552328.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 308900 + ... + 308972.

Almost surely, 222552328 is an apocalyptic number.

It is an amenable number.

22552328 is a deficient number, since it is larger than the sum of its proper divisors (22265557).

22552328 is an equidigital number, since it uses as much as digits as its factorization.

22552328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 98 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 22552328 is about 4748.9291424489. The cubic root of 22552328 is about 282.5294949234.

The spelling of 22552328 in words is "twenty-two million, five hundred fifty-two thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 23 46 73 92 146 184 292 529 584 1058 1679 2116 3358 4232 5329 6716 10658 13432 21316 38617 42632 77234 122567 154468 245134 308936 490268 980536 2819041 5638082 11276164 22552328