225136437224 has 32 divisors (see below), whose sum is σ = 423176944320. Its totient is φ = 112289417856.

The previous prime is 225136437221. The next prime is 225136437241. The reversal of 225136437224 is 422734631522.

It is not an unprimeable number, because it can be changed into a prime (225136437221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13527212 + ... + 13543844.

It is an arithmetic number, because the mean of its divisors is an integer number (13224279510).

Almost surely, 2^225136437224 is an apocalyptic number.

It is an amenable number.

225136437224 is a deficient number, since it is larger than the sum of its proper divisors (198040507096).

225136437224 is a wasteful number, since it uses less digits than its factorization.

225136437224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20729 (or 20725 counting only the distinct ones).

The product of its digits is 483840, while the sum is 41.

The spelling of 225136437224 in words is "two hundred twenty-five billion, one hundred thirty-six million, four hundred thirty-seven thousand, two hundred twenty-four".