22642661832 has 64 divisors (see below), whose sum is σ = 65105454720. Its totient is φ = 6428118528.

The previous prime is 22642661827. The next prime is 22642661837. The reversal of 22642661832 is 23816624622.

It is an interprime number because it is at equal distance from previous prime (22642661827) and next prime (22642661837).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22642661837) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 402853 + ... + 455604.

It is an arithmetic number, because the mean of its divisors is an integer number (1017272730).

Almost surely, 2^22642661832 is an apocalyptic number.

It is an amenable number.

22642661832 is an abundant number, since it is smaller than the sum of its proper divisors (42462792888).

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

22642661832 is a wasteful number, since it uses less digits than its factorization.

22642661832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858630 (or 858626 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The spelling of 22642661832 in words is "twenty-two billion, six hundred forty-two million, six hundred sixty-one thousand, eight hundred thirty-two".