22537112832 has 216 divisors, whose sum is σ = 71303889384. Its totient is φ = 6803177472.

The previous prime is 22537112813. The next prime is 22537112869. The reversal of 22537112832 is 23821173522.

22537112832 is a `hidden beast` number, since 2 + 2 + 5 + 371 + 1 + 283 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8343726336 + 14193386496 = 91344^2 + 119136^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1580358 + ... + 1594554.

It is an arithmetic number, because the mean of its divisors is an integer number (330110599).

Almost surely, 2^22537112832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22537112832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35651944692).

22537112832 is an abundant number, since it is smaller than the sum of its proper divisors (48766776552).

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

22537112832 is a wasteful number, since it uses less digits than its factorization.

22537112832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14285 (or 14268 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The spelling of 22537112832 in words is "twenty-two billion, five hundred thirty-seven million, one hundred twelve thousand, eight hundred thirty-two".