22566741504 has 60 divisors (see below), whose sum is σ = 60134898516. Its totient is φ = 7520284672.

The previous prime is 22566741487. The next prime is 22566741551. The reversal of 22566741504 is 40514766522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5885572 + ... + 5889404.

Almost surely, 2^22566741504 is an apocalyptic number.

22566741504 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 22566741504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30067449258).

22566741504 is an abundant number, since it is smaller than the sum of its proper divisors (37568157012).

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

22566741504 is an frugal number, since it uses more digits than its factorization.

22566741504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687 (or 3838 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 22566741504 in words is "twenty-two billion, five hundred sixty-six million, seven hundred forty-one thousand, five hundred four".