22642615884 has 96 divisors (see below), whose sum is σ = 63848558592. Its totient is φ = 6107904000.

The previous prime is 22642615859. The next prime is 22642615901. The reversal of 22642615884 is 48851624622.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 724 + ... + 212804.

It is an arithmetic number, because the mean of its divisors is an integer number (665089152).

Almost surely, 2^22642615884 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 22642615884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31924279296).

22642615884 is an abundant number, since it is smaller than the sum of its proper divisors (41205942708).

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

22642615884 is a wasteful number, since it uses less digits than its factorization.

22642615884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212167 (or 212165 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The spelling of 22642615884 in words is "twenty-two billion, six hundred forty-two million, six hundred fifteen thousand, eight hundred eighty-four".