22621586768 has 40 divisors (see below), whose sum is σ = 48278058816. Its totient is φ = 10182700800.

The previous prime is 22621586753. The next prime is 22621586777. The reversal of 22621586768 is 86768512622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605813 + ... + 642068.

Almost surely, 2^22621586768 is an apocalyptic number.

It is an amenable number.

22621586768 is an abundant number, since it is smaller than the sum of its proper divisors (25656472048).

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

22621586768 is a wasteful number, since it uses less digits than its factorization.

22621586768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248003 (or 1247997 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The spelling of 22621586768 in words is "twenty-two billion, six hundred twenty-one million, five hundred eighty-six thousand, seven hundred sixty-eight".