99922970 has 64 divisors (see below), whose sum is σ = 213269760. Its totient is φ = 32997888.

The previous prime is 99922961. The next prime is 99922993. The reversal of 99922970 is 7922999.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267704 + ... + 268076.

It is an arithmetic number, because the mean of its divisors is an integer number (3332340).

Almost surely, 2^99922970 is an apocalyptic number.

99922970 is an abundant number, since it is smaller than the sum of its proper divisors (113346790).

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

99922970 is a wasteful number, since it uses less digits than its factorization.

99922970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 99922970 is about 9996.1477580116. The cubic root of 99922970 is about 464.0396722173.

The spelling of 99922970 in words is "ninety-nine million, nine hundred twenty-two thousand, nine hundred seventy".