225351593520 has 80 divisors (see below), whose sum is σ = 707006748672. Its totient is φ = 59369731840.

The previous prime is 225351593507. The next prime is 225351593521. The reversal of 225351593520 is 25395153522.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (225351593521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5636496 + ... + 5676335.

Almost surely, 2^225351593520 is an apocalyptic number.

225351593520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225351593520 is an abundant number, since it is smaller than the sum of its proper divisors (481655155152).

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

225351593520 is a wasteful number, since it uses less digits than its factorization.

225351593520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11312930 (or 11312924 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 225351593520 in words is "two hundred twenty-five billion, three hundred fifty-one million, five hundred ninety-three thousand, five hundred twenty".