922790920 has 32 divisors (see below), whose sum is σ = 2110322520. Its totient is φ = 363064320.

The previous prime is 922790899. The next prime is 922790927. The reversal of 922790920 is 29097229.

It can be written as a sum of positive squares in 4 ways, for example, as 176517796 + 746273124 = 13286^2 + 27318^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (922790927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186657 + ... + 191536.

Almost surely, 2^922790920 is an apocalyptic number.

It is an amenable number.

922790920 is an abundant number, since it is smaller than the sum of its proper divisors (1187531600).

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

922790920 is a wasteful number, since it uses less digits than its factorization.

922790920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378265 (or 378261 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 922790920 is about 30377.4738910266. The cubic root of 922790920 is about 973.5713180292.

The spelling of 922790920 in words is "nine hundred twenty-two million, seven hundred ninety thousand, nine hundred twenty".