22481478504 has 256 divisors, whose sum is σ = 69934233600. Its totient is φ = 6657638400.

The previous prime is 22481478497. The next prime is 22481478511. The reversal of 22481478504 is 40587418422.

22481478504 is a `hidden beast` number, since 2 + 24 + 81 + 47 + 8 + 504 = 666.

It is an interprime number because it is at equal distance from previous prime (22481478497) and next prime (22481478511).

It is a self number, because there is not a number n which added to its sum of digits gives 22481478504.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4664704 + ... + 4669520.

It is an arithmetic number, because the mean of its divisors is an integer number (273180600).

Almost surely, 2^22481478504 is an apocalyptic number.

22481478504 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 22481478504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34967116800).

22481478504 is an abundant number, since it is smaller than the sum of its proper divisors (47452755096).

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

22481478504 is a wasteful number, since it uses less digits than its factorization.

22481478504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921 (or 4911 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 22481478504 in words is "twenty-two billion, four hundred eighty-one million, four hundred seventy-eight thousand, five hundred four".