22642622352 has 120 divisors (see below), whose sum is σ = 72688561920. Its totient is φ = 6445370880.

The previous prime is 22642622339. The next prime is 22642622369. The reversal of 22642622352 is 25322624622.

22642622352 is a `hidden beast` number, since 2 + 2 + 6 + 426 + 223 + 5 + 2 = 666.

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

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 23 ways as a sum of consecutive naturals, for example, 231724 + ... + 314612.

It is an arithmetic number, because the mean of its divisors is an integer number (605738016).

Almost surely, 2^22642622352 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 22642622352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36344280960).

22642622352 is an abundant number, since it is smaller than the sum of its proper divisors (50045939568).

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

22642622352 is a wasteful number, since it uses less digits than its factorization.

22642622352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83181 (or 83172 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The spelling of 22642622352 in words is "twenty-two billion, six hundred forty-two million, six hundred twenty-two thousand, three hundred fifty-two".