22563001560 has 256 divisors, whose sum is σ = 76447825920. Its totient is φ = 5277888000.

The previous prime is 22563001547. The next prime is 22563001603. The reversal of 22563001560 is 6510036522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 20091159 + ... + 20092281.

It is an arithmetic number, because the mean of its divisors is an integer number (298624320).

Almost surely, 2^22563001560 is an apocalyptic number.

22563001560 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 22563001560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38223912960).

22563001560 is an abundant number, since it is smaller than the sum of its proper divisors (53884824360).

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

22563001560 is a wasteful number, since it uses less digits than its factorization.

22563001560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 22563001560 in words is "twenty-two billion, five hundred sixty-three million, one thousand, five hundred sixty".