192220912 has 20 divisors (see below), whose sum is σ = 401076760. Its totient is φ = 88717248.

The previous prime is 192220907. The next prime is 192220937. The reversal of 192220912 is 219022291.

It is a super-2 number, since 2×192220912² = 73897758020223488, which contains 22 as substring.

It is a congruent number.

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, 461862 + ... + 462277.

It is an arithmetic number, because the mean of its divisors is an integer number (20053838).

Almost surely, 2^192220912 is an apocalyptic number.

It is an amenable number.

192220912 is an abundant number, since it is smaller than the sum of its proper divisors (208855848).

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

192220912 is a wasteful number, since it uses less digits than its factorization.

192220912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924160 (or 924154 counting only the distinct ones).

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

The square root of 192220912 is about 13864.3756440743. The cubic root of 192220912 is about 577.1210004280.

The spelling of 192220912 in words is "one hundred ninety-two million, two hundred twenty thousand, nine hundred twelve".