225707522 has 16 divisors (see below), whose sum is σ = 351208440. Its totient is φ = 108659712.

The previous prime is 225707519. The next prime is 225707539.

225707522 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 207907561 + 17799961 = 14419^2 + 4219^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16418 + ... + 26850.

Almost surely, 2^225707522 is an apocalyptic number.

225707522 is a deficient number, since it is larger than the sum of its proper divisors (125500918).

225707522 is a wasteful number, since it uses less digits than its factorization.

225707522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10837.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 225707522 is about 15023.5655554865. The cubic root of 225707522 is about 608.8570571805.

The spelling of 225707522 in words is "two hundred twenty-five million, seven hundred seven thousand, five hundred twenty-two".