225694916 has 12 divisors (see below), whose sum is σ = 395449488. Its totient is φ = 112709352.

The previous prime is 225694913. The next prime is 225694943. The reversal of 225694916 is 619496522.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (225694913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30806 + ... + 37421.

It is an arithmetic number, because the mean of its divisors is an integer number (32954124).

Almost surely, 2^225694916 is an apocalyptic number.

It is an amenable number.

225694916 is a deficient number, since it is larger than the sum of its proper divisors (169754572).

225694916 is a wasteful number, since it uses less digits than its factorization.

225694916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69058 (or 69056 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 225694916 is about 15023.1460087426. The cubic root of 225694916 is about 608.8457218694.

The spelling of 225694916 in words is "two hundred twenty-five million, six hundred ninety-four thousand, nine hundred sixteen".