22426464688 has 20 divisors (see below), whose sum is σ = 43557525880. Its totient is φ = 11185812864.

The previous prime is 22426464677. The next prime is 22426464691. The reversal of 22426464688 is 88646462422.

It is a super-2 number, since 2×22426464688² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706970 + ... + 1720057.

It is an arithmetic number, because the mean of its divisors is an integer number (2177876294).

Almost surely, 2^22426464688 is an apocalyptic number.

It is an amenable number.

22426464688 is a deficient number, since it is larger than the sum of its proper divisors (21131061192).

22426464688 is a wasteful number, since it uses less digits than its factorization.

22426464688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427444 (or 3427438 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 52.

The spelling of 22426464688 in words is "twenty-two billion, four hundred twenty-six million, four hundred sixty-four thousand, six hundred eighty-eight".