22538463696 has 360 divisors, whose sum is σ = 76066024320. Its totient is φ = 6100323840.

The previous prime is 22538463659. The next prime is 22538463697. The reversal of 22538463696 is 69636483522.

It is a happy number.

22538463696 is a `hidden beast` number, since 2 + 2 + 538 + 46 + 3 + 69 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22538463697) 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 71 ways as a sum of consecutive naturals, for example, 51340245 + ... + 51340683.

It is an arithmetic number, because the mean of its divisors is an integer number (211294512).

Almost surely, 2^22538463696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22538463696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38033012160).

22538463696 is an abundant number, since it is smaller than the sum of its proper divisors (53527560624).

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

22538463696 is a wasteful number, since it uses less digits than its factorization.

22538463696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 535 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 22538463696 in words is "twenty-two billion, five hundred thirty-eight million, four hundred sixty-three thousand, six hundred ninety-six".