22144475120 has 40 divisors (see below), whose sum is σ = 51597191616. Its totient is φ = 8838643968.

The previous prime is 22144475113. The next prime is 22144475131. The reversal of 22144475120 is 2157444122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 261887 + ... + 335966.

Almost surely, 2^22144475120 is an apocalyptic number.

22144475120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22144475120 is an abundant number, since it is smaller than the sum of its proper divisors (29452716496).

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

22144475120 is a wasteful number, since it uses less digits than its factorization.

22144475120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598329 (or 598323 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The spelling of 22144475120 in words is "twenty-two billion, one hundred forty-four million, four hundred seventy-five thousand, one hundred twenty".