22379751918 has 12 divisors (see below), whose sum is σ = 48489462528. Its totient is φ = 7459917300.

The previous prime is 22379751899. The next prime is 22379751941. The reversal of 22379751918 is 81915797322.

It is a happy number.

22379751918 is a `hidden beast` number, since 2 + 2 + 37 + 97 + 519 + 1 + 8 = 666.

It is a super-2 number, since 2×22379751918² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 621659758 + ... + 621659793.

It is an arithmetic number, because the mean of its divisors is an integer number (4040788544).

Almost surely, 2^22379751918 is an apocalyptic number.

22379751918 is an abundant number, since it is smaller than the sum of its proper divisors (26109710610).

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

22379751918 is a wasteful number, since it uses less digits than its factorization.

22379751918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243319559 (or 1243319556 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The spelling of 22379751918 in words is "twenty-two billion, three hundred seventy-nine million, seven hundred fifty-one thousand, nine hundred eighteen".