22487934000 has 640 divisors, whose sum is σ = 88208640000. Its totient is φ = 4819046400.

The previous prime is 22487933983. The next prime is 22487934013. The reversal of 22487934000 is 43978422.

It is a self number, because there is not a number n which added to its sum of digits gives 22487934000.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45065751 + ... + 45066249.

It is an arithmetic number, because the mean of its divisors is an integer number (137826000).

Almost surely, 2^22487934000 is an apocalyptic number.

22487934000 is a gapful number since it is divisible by the number (20) 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 22487934000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44104320000).

22487934000 is an abundant number, since it is smaller than the sum of its proper divisors (65720706000).

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

22487934000 is a wasteful number, since it uses less digits than its factorization.

22487934000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 22487934000 in words is "twenty-two billion, four hundred eighty-seven million, nine hundred thirty-four thousand".