22633953864 has 128 divisors (see below), whose sum is σ = 59579520000. Its totient is φ = 7155993600.

The previous prime is 22633953847. The next prime is 22633953913. The reversal of 22633953864 is 46835933622.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15838302 + ... + 15839730.

It is an arithmetic number, because the mean of its divisors is an integer number (465465000).

Almost surely, 2^22633953864 is an apocalyptic number.

22633953864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22633953864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29789760000).

22633953864 is an abundant number, since it is smaller than the sum of its proper divisors (36945566136).

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

22633953864 is a wasteful number, since it uses less digits than its factorization.

22633953864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1875 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 51.

The spelling of 22633953864 in words is "twenty-two billion, six hundred thirty-three million, nine hundred fifty-three thousand, eight hundred sixty-four".