225872522 has 4 divisors (see below), whose sum is σ = 338808786. Its totient is φ = 112936260.

The previous prime is 225872519. The next prime is 225872533. The reversal of 225872522 is 225278522.

225872522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 225870841 + 1681 = 15029^2 + 41^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56468129 + ... + 56468132.

Almost surely, 2^225872522 is an apocalyptic number.

225872522 is a deficient number, since it is larger than the sum of its proper divisors (112936264).

225872522 is a wasteful number, since it uses less digits than its factorization.

225872522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112936263.

The product of its digits is 44800, while the sum is 35.

The square root of 225872522 is about 15029.0559251072. The cubic root of 225872522 is about 609.0053862263.

The spelling of 225872522 in words is "two hundred twenty-five million, eight hundred seventy-two thousand, five hundred twenty-two".