225937702220 has 24 divisors (see below), whose sum is σ = 482511027600. Its totient is φ = 88843299392.

The previous prime is 225937702187. The next prime is 225937702271. The reversal of 225937702220 is 22207739522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95735135 + ... + 95737494.

It is an arithmetic number, because the mean of its divisors is an integer number (20104626150).

Almost surely, 2^225937702220 is an apocalyptic number.

225937702220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225937702220 is an abundant number, since it is smaller than the sum of its proper divisors (256573325380).

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

225937702220 is a wasteful number, since it uses less digits than its factorization.

225937702220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191472697 (or 191472695 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 225937702220 in words is "two hundred twenty-five billion, nine hundred thirty-seven million, seven hundred two thousand, two hundred twenty".