22199281128732 has 96 divisors (see below), whose sum is σ = 54960458624064. Its totient is φ = 6949859737600.

The previous prime is 22199281128721. The next prime is 22199281128767. The reversal of 22199281128732 is 23782118299122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718570678 + ... + 718601570.

It is an arithmetic number, because the mean of its divisors is an integer number (572504777334).

Almost surely, 2^{22199281128732} is an apocalyptic number.

It is an amenable number.

22199281128732 is an abundant number, since it is smaller than the sum of its proper divisors (32761177495332).

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

22199281128732 is a wasteful number, since it uses less digits than its factorization.

22199281128732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38199 (or 38197 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 57.

The spelling of 22199281128732 in words is "twenty-two trillion, one hundred ninety-nine billion, two hundred eighty-one million, one hundred twenty-eight thousand, seven hundred thirty-two".