22537133424 has 240 divisors, whose sum is σ = 70975457280. Its totient is φ = 6628538880.

The previous prime is 22537133413. The next prime is 22537133453. The reversal of 22537133424 is 42433173522.

22537133424 is a `hidden beast` number, since 2 + 253 + 71 + 334 + 2 + 4 = 666.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4814317 + ... + 4818995.

It is an arithmetic number, because the mean of its divisors is an integer number (295731072).

Almost surely, 2^22537133424 is an apocalyptic number.

22537133424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22537133424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35487728640).

22537133424 is an abundant number, since it is smaller than the sum of its proper divisors (48438323856).

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

22537133424 is a wasteful number, since it uses less digits than its factorization.

22537133424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820 (or 4811 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

It can be divided in two parts, 22537 and 133424, that added together give a triangular number (155961 = T₅₅₈).

The spelling of 22537133424 in words is "twenty-two billion, five hundred thirty-seven million, one hundred thirty-three thousand, four hundred twenty-four".