1922308972 has 24 divisors (see below), whose sum is σ = 3427542720. Its totient is φ = 943073040.

The previous prime is 1922308943. The next prime is 1922308981. The reversal of 1922308972 is 2798032291.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121647 + ... + 136537.

It is an arithmetic number, because the mean of its divisors is an integer number (142814280).

Almost surely, 2^1922308972 is an apocalyptic number.

It is an amenable number.

1922308972 is a deficient number, since it is larger than the sum of its proper divisors (1505233748).

1922308972 is a wasteful number, since it uses less digits than its factorization.

1922308972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15501 (or 15499 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 1922308972 is about 43844.1441015787. The cubic root of 1922308972 is about 1243.3910328521.

The spelling of 1922308972 in words is "one billion, nine hundred twenty-two million, three hundred eight thousand, nine hundred seventy-two".