22408566688 has 24 divisors (see below), whose sum is σ = 44125331040. Its totient is φ = 11202133440.

The previous prime is 22408566683. The next prime is 22408566757. The reversal of 22408566688 is 88666580422.

It is a super-2 number, since 2×22408566688² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22408566683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109323 + ... + 238261.

It is an arithmetic number, because the mean of its divisors is an integer number (1838555460).

Almost surely, 2^22408566688 is an apocalyptic number.

It is an amenable number.

22408566688 is a deficient number, since it is larger than the sum of its proper divisors (21716764352).

22408566688 is a wasteful number, since it uses less digits than its factorization.

22408566688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134380 (or 134372 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 55.

The spelling of 22408566688 in words is "twenty-two billion, four hundred eight million, five hundred sixty-six thousand, six hundred eighty-eight".