22641332658 has 16 divisors (see below), whose sum is σ = 51751617600. Its totient is φ = 6468952176.

The previous prime is 22641332657. The next prime is 22641332669. The reversal of 22641332658 is 85623314622.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 539079349 = 22641332658 / (2 + 2 + 6 + 4 + 1 + 3 + 3 + 2 + 6 + 5 + 8).

It is not an unprimeable number, because it can be changed into a prime (22641332657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269539633 + ... + 269539716.

It is an arithmetic number, because the mean of its divisors is an integer number (3234476100).

Almost surely, 2^22641332658 is an apocalyptic number.

22641332658 is an abundant number, since it is smaller than the sum of its proper divisors (29110284942).

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

22641332658 is a wasteful number, since it uses less digits than its factorization.

22641332658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539079361.

The product of its digits is 414720, while the sum is 42.

The spelling of 22641332658 in words is "twenty-two billion, six hundred forty-one million, three hundred thirty-two thousand, six hundred fifty-eight".