22542052520 has 128 divisors (see below), whose sum is σ = 57778963200. Its totient is φ = 7851976704.

The previous prime is 22542052517. The next prime is 22542052571. The reversal of 22542052520 is 2525024522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 860171 + ... + 885989.

It is an arithmetic number, because the mean of its divisors is an integer number (451398150).

Almost surely, 2^22542052520 is an apocalyptic number.

22542052520 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 22542052520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28889481600).

22542052520 is an abundant number, since it is smaller than the sum of its proper divisors (35236910680).

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

22542052520 is a wasteful number, since it uses less digits than its factorization.

22542052520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25939 (or 25935 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The spelling of 22542052520 in words is "twenty-two billion, five hundred forty-two million, fifty-two thousand, five hundred twenty".