225122152 has 8 divisors (see below), whose sum is σ = 422104050. Its totient is φ = 112561072.

The previous prime is 225122141. The next prime is 225122201. The reversal of 225122152 is 251221522.

It can be written as a sum of positive squares in only one way, i.e., 198640836 + 26481316 = 14094^2 + 5146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×225122152² = 101359966642222208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14070127 + ... + 14070142.

Almost surely, 2^225122152 is an apocalyptic number.

It is an amenable number.

225122152 is a deficient number, since it is larger than the sum of its proper divisors (196981898).

225122152 is a wasteful number, since it uses less digits than its factorization.

225122152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28140275 (or 28140271 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 225122152 is about 15004.0711808495. The cubic root of 225122152 is about 608.3302467765.

Adding to 225122152 its reverse (251221522), we get a palindrome (476343674).

The spelling of 225122152 in words is "two hundred twenty-five million, one hundred twenty-two thousand, one hundred fifty-two".