22579842738 has 16 divisors (see below), whose sum is σ = 45170121600. Its totient is φ = 7524874896.

The previous prime is 22579842737. The next prime is 22579842751. The reversal of 22579842738 is 83724897522.

It is a super-2 number, since 2×22579842738² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22579842737) 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 7 ways as a sum of consecutive naturals, for example, 406570 + ... + 458757.

It is an arithmetic number, because the mean of its divisors is an integer number (2823132600).

Almost surely, 2^22579842738 is an apocalyptic number.

22579842738 is an abundant number, since it is smaller than the sum of its proper divisors (22590278862).

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

22579842738 is a wasteful number, since it uses less digits than its factorization.

22579842738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869681.

The product of its digits is 13547520, while the sum is 57.

The spelling of 22579842738 in words is "twenty-two billion, five hundred seventy-nine million, eight hundred forty-two thousand, seven hundred thirty-eight".