22812634620 has 144 divisors (see below), whose sum is σ = 73263284640. Its totient is φ = 5729730048.

The previous prime is 22812634589. The next prime is 22812634627. The reversal of 22812634620 is 2643621822.

22812634620 is a `hidden beast` number, since 2 + 2 + 8 + 1 + 26 + 3 + 4 + 620 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22812634627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 572382 + ... + 610938.

It is an arithmetic number, because the mean of its divisors is an integer number (508772810).

Almost surely, 2^22812634620 is an apocalyptic number.

22812634620 is a gapful number since it is divisible by the number (20) 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 22812634620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36631642320).

22812634620 is an abundant number, since it is smaller than the sum of its proper divisors (50450650020).

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

22812634620 is a wasteful number, since it uses less digits than its factorization.

22812634620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38764 (or 38759 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 22812634620 in words is "twenty-two billion, eight hundred twelve million, six hundred thirty-four thousand, six hundred twenty".