22642424676 has 81 divisors (see below), whose sum is σ = 59214060633. Its totient is φ = 7294979520.

The previous prime is 22642424671. The next prime is 22642424677. The reversal of 22642424676 is 67642424622.

The square root of 22642424676 is 150474.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19930098276 + 2712326400 = 141174^2 + 52080^2 .

It is not an unprimeable number, because it can be changed into a prime (22642424671) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27987760 + ... + 27988568.

Almost surely, 2^22642424676 is an apocalyptic number.

22642424676 is the 150474-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22642424676

22642424676 is an abundant number, since it is smaller than the sum of its proper divisors (36571635957).

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

22642424676 is an equidigital number, since it uses as much as digits as its factorization.

22642424676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 845 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 45.

The spelling of 22642424676 in words is "twenty-two billion, six hundred forty-two million, four hundred twenty-four thousand, six hundred seventy-six".