225902616 has 32 divisors (see below), whose sum is σ = 566092800. Its totient is φ = 75122720.

The previous prime is 225902603. The next prime is 225902653. The reversal of 225902616 is 616209522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576 + ... + 21263.

It is an arithmetic number, because the mean of its divisors is an integer number (17690400).

Almost surely, 2^225902616 is an apocalyptic number.

It is an amenable number.

225902616 is an abundant number, since it is smaller than the sum of its proper divisors (340190184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225902616 is a wasteful number, since it uses less digits than its factorization.

225902616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22279 (or 22275 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 225902616 is about 15030.0570857199. The cubic root of 225902616 is about 609.0324318567.

The spelling of 225902616 in words is "two hundred twenty-five million, nine hundred two thousand, six hundred sixteen".