22002568840 has 32 divisors (see below), whose sum is σ = 56578034880. Its totient is φ = 7543737792.

The previous prime is 22002568829. The next prime is 22002568873. The reversal of 22002568840 is 4886520022.

It is a super-2 number, since 2×22002568840² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22002568840.

It is an unprimeable number.

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, 39290022 + ... + 39290581.

It is an arithmetic number, because the mean of its divisors is an integer number (1768063590).

Almost surely, 2^22002568840 is an apocalyptic number.

22002568840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002568840 is an abundant number, since it is smaller than the sum of its proper divisors (34575466040).

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

22002568840 is a wasteful number, since it uses less digits than its factorization.

22002568840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78580621 (or 78580617 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 22002568840 in words is "twenty-two billion, two million, five hundred sixty-eight thousand, eight hundred forty".