22691734745808 has 80 divisors (see below), whose sum is σ = 62648648890560. Its totient is φ = 7052443097088.

The previous prime is 22691734745789. The next prime is 22691734745843. The reversal of 22691734745808 is 80854743719622.

It is a super-2 number, since 2×22691734745808² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129858943 + ... + 130033566.

It is an arithmetic number, because the mean of its divisors is an integer number (783108111132).

It is a 1-persistent number, because it is pandigital, but 2⋅22691734745808 = 45383469491616 is not.

Almost surely, 2^{22691734745808} is an apocalyptic number.

It is an amenable number.

22691734745808 is an abundant number, since it is smaller than the sum of its proper divisors (39956914144752).

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

22691734745808 is a wasteful number, since it uses less digits than its factorization.

22691734745808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259892644 (or 259892638 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 66.

The spelling of 22691734745808 in words is "twenty-two trillion, six hundred ninety-one billion, seven hundred thirty-four million, seven hundred forty-five thousand, eight hundred eight".