225512626 has 4 divisors (see below), whose sum is σ = 338268942. Its totient is φ = 112756312.

The previous prime is 225512557. The next prime is 225512641. The reversal of 225512626 is 626215522.

It is a happy number.

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., 167676601 + 57836025 = 12949^2 + 7605^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56378155 + ... + 56378158.

Almost surely, 2^225512626 is an apocalyptic number.

225512626 is a deficient number, since it is larger than the sum of its proper divisors (112756316).

225512626 is a wasteful number, since it uses less digits than its factorization.

225512626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112756315.

The product of its digits is 14400, while the sum is 31.

The square root of 225512626 is about 15017.0778116117. The cubic root of 225512626 is about 608.6817595574.

The spelling of 225512626 in words is "two hundred twenty-five million, five hundred twelve thousand, six hundred twenty-six".