22585015488 has 224 divisors, whose sum is σ = 71038720000. Its totient is φ = 6197907456.

The previous prime is 22585015459. The next prime is 22585015499. The reversal of 22585015488 is 88451058522.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 3925638 + ... + 3931386.

Almost surely, 2^22585015488 is an apocalyptic number.

22585015488 is a gapful number since it is divisible by the number (28) 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 22585015488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35519360000).

22585015488 is an abundant number, since it is smaller than the sum of its proper divisors (48453704512).

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

22585015488 is a wasteful number, since it uses less digits than its factorization.

22585015488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 48.

The spelling of 22585015488 in words is "twenty-two billion, five hundred eighty-five million, fifteen thousand, four hundred eighty-eight".