22544162928 has 120 divisors (see below), whose sum is σ = 72138005888. Its totient is φ = 6438289536.

The previous prime is 22544162917. The next prime is 22544162939. The reversal of 22544162928 is 82926144522.

22544162928 is a `hidden beast` number, since 2 + 2 + 544 + 16 + 2 + 92 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (22544162917) and next prime (22544162939).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3330075 + ... + 3336837.

Almost surely, 2^22544162928 is an apocalyptic number.

22544162928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22544162928 is an abundant number, since it is smaller than the sum of its proper divisors (49593842960).

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

22544162928 is a wasteful number, since it uses less digits than its factorization.

22544162928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091 (or 10082 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

It can be divided in two parts, 225441 and 62928, that added together give a square (288369 = 537²).

The spelling of 22544162928 in words is "twenty-two billion, five hundred forty-four million, one hundred sixty-two thousand, nine hundred twenty-eight".