220912192 has 28 divisors (see below), whose sum is σ = 439222896. Its totient is φ = 110241920.

The previous prime is 220912189. The next prime is 220912201. The reversal of 220912192 is 291219022.

It is a self number, because there is not a number n which added to its sum of digits gives 220912192.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32967 + ... + 39097.

It is an arithmetic number, because the mean of its divisors is an integer number (15686532).

Almost surely, 2^220912192 is an apocalyptic number.

It is an amenable number.

220912192 is a deficient number, since it is larger than the sum of its proper divisors (218310704).

220912192 is an equidigital number, since it uses as much as digits as its factorization.

220912192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706 (or 6696 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 220912192 is about 14863.1151512730. The cubic root of 220912192 is about 604.5142762617.

The spelling of 220912192 in words is "two hundred twenty million, nine hundred twelve thousand, one hundred ninety-two".