225263560520 has 32 divisors (see below), whose sum is σ = 506966670720. Its totient is φ = 90083440320.

The previous prime is 225263560499. The next prime is 225263560559. The reversal of 225263560520 is 25065362522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520502 + ... + 849381.

It is an arithmetic number, because the mean of its divisors is an integer number (15842708460).

Almost surely, 2^225263560520 is an apocalyptic number.

225263560520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225263560520 is an abundant number, since it is smaller than the sum of its proper divisors (281703110200).

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

225263560520 is a wasteful number, since it uses less digits than its factorization.

225263560520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374005 (or 1374001 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 225263560520 in words is "two hundred twenty-five billion, two hundred sixty-three million, five hundred sixty thousand, five hundred twenty".