1922615868 has 12 divisors (see below), whose sum is σ = 4486103720. Its totient is φ = 640871952.

The previous prime is 1922615843. The next prime is 1922615869. The reversal of 1922615868 is 8685162291.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922615869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80108983 + ... + 80109006.

Almost surely, 2^1922615868 is an apocalyptic number.

It is an amenable number.

1922615868 is an abundant number, since it is smaller than the sum of its proper divisors (2563487852).

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

1922615868 is a wasteful number, since it uses less digits than its factorization.

1922615868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160217996 (or 160217994 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 1922615868 is about 43847.6438135506. The cubic root of 1922615868 is about 1243.4571983220.

The spelling of 1922615868 in words is "one billion, nine hundred twenty-two million, six hundred fifteen thousand, eight hundred sixty-eight".