22151894384 has 20 divisors (see below), whose sum is σ = 43507233216. Its totient is φ = 10924221312.

The previous prime is 22151894351. The next prime is 22151894393. The reversal of 22151894384 is 48349815122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9481664 + ... + 9483999.

Almost surely, 2^22151894384 is an apocalyptic number.

It is an amenable number.

22151894384 is a deficient number, since it is larger than the sum of its proper divisors (21355338832).

22151894384 is a wasteful number, since it uses less digits than its factorization.

22151894384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18965744 (or 18965738 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The spelling of 22151894384 in words is "twenty-two billion, one hundred fifty-one million, eight hundred ninety-four thousand, three hundred eighty-four".