997001922 has 24 divisors (see below), whose sum is σ = 2319556176. Its totient is φ = 284857608.

The previous prime is 997001899. The next prime is 997001939. The reversal of 997001922 is 229100799.

It is a happy number.

997001922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1695288 + ... + 1695875.

It is an arithmetic number, because the mean of its divisors is an integer number (96648174).

Almost surely, 2^997001922 is an apocalyptic number.

997001922 is an abundant number, since it is smaller than the sum of its proper divisors (1322554254).

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

997001922 is a wasteful number, since it uses less digits than its factorization.

997001922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391182 (or 3391175 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 997001922 is about 31575.3372428546. The cubic root of 997001922 is about 998.9996402808. Note that the first 3 decimals are identical.

The spelling of 997001922 in words is "nine hundred ninety-seven million, one thousand, nine hundred twenty-two".