225724303616 has 36 divisors (see below), whose sum is σ = 514933571712. Its totient is φ = 96738986496.

The previous prime is 225724303613. The next prime is 225724303627. The reversal of 225724303616 is 616303427522.

It is a happy number.

It is a super-2 number, since 2×225724303616² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) 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 (225724303613) 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, 62979320 + ... + 62982903.

Almost surely, 2^225724303616 is an apocalyptic number.

It is an amenable number.

225724303616 is an abundant number, since it is smaller than the sum of its proper divisors (289209268096).

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

225724303616 is an equidigital number, since it uses as much as digits as its factorization.

225724303616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125962246 (or 125962232 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 225724303616 in words is "two hundred twenty-five billion, seven hundred twenty-four million, three hundred three thousand, six hundred sixteen".