22785874944 has 528 divisors, whose sum is σ = 77064145920. Its totient is φ = 5945425920.

The previous prime is 22785874939. The next prime is 22785874949. The reversal of 22785874944 is 44947858722.

It is an interprime number because it is at equal distance from previous prime (22785874939) and next prime (22785874949).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22785874949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88660864 + ... + 88661120.

Almost surely, 2^22785874944 is an apocalyptic number.

22785874944 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 22785874944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38532072960).

22785874944 is an abundant number, since it is smaller than the sum of its proper divisors (54278270976).

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

22785874944 is a wasteful number, since it uses less digits than its factorization.

22785874944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 319 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 60.

The spelling of 22785874944 in words is "twenty-two billion, seven hundred eighty-five million, eight hundred seventy-four thousand, nine hundred forty-four".