225255365420 has 48 divisors (see below), whose sum is σ = 494480367360. Its totient is φ = 86031481536.

The previous prime is 225255365411. The next prime is 225255365479. The reversal of 225255365420 is 24563552522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175910 + ... + 693869.

It is an arithmetic number, because the mean of its divisors is an integer number (10301674320).

Almost surely, 2^225255365420 is an apocalyptic number.

225255365420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225255365420 is an abundant number, since it is smaller than the sum of its proper divisors (269225001940).

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

225255365420 is a wasteful number, since it uses less digits than its factorization.

225255365420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870374 (or 870372 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 225255365420 in words is "two hundred twenty-five billion, two hundred fifty-five million, three hundred sixty-five thousand, four hundred twenty".