220852172 has 12 divisors (see below), whose sum is σ = 389912376. Its totient is φ = 109448640.

The previous prime is 220852157. The next prime is 220852183. The reversal of 220852172 is 271258022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243854 + ... + 244757.

It is an arithmetic number, because the mean of its divisors is an integer number (32492698).

Almost surely, 2^220852172 is an apocalyptic number.

It is an amenable number.

220852172 is a deficient number, since it is larger than the sum of its proper divisors (169060204).

220852172 is a wasteful number, since it uses less digits than its factorization.

220852172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488728 (or 488726 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 220852172 is about 14861.0959219029. The cubic root of 220852172 is about 604.4595241406.

The spelling of 220852172 in words is "two hundred twenty million, eight hundred fifty-two thousand, one hundred seventy-two".