225118502 has 16 divisors (see below), whose sum is σ = 394893312. Its totient is φ = 94235400.

The previous prime is 225118483. The next prime is 225118513. The reversal of 225118502 is 205811522.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 186374 + ... + 187577.

It is an arithmetic number, because the mean of its divisors is an integer number (24680832).

Almost surely, 2^225118502 is an apocalyptic number.

225118502 is a deficient number, since it is larger than the sum of its proper divisors (169774810).

225118502 is a wasteful number, since it uses less digits than its factorization.

225118502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374003.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 225118502 is about 15003.9495467027. The cubic root of 225118502 is about 608.3269590542.

It can be divided in two parts, 22511 and 8502, that added together give a palindrome (31013).

The spelling of 225118502 in words is "two hundred twenty-five million, one hundred eighteen thousand, five hundred two".