22522573920 has 384 divisors, whose sum is σ = 91506723840. Its totient is φ = 4518420480.

The previous prime is 22522573901. The next prime is 22522573937. The reversal of 22522573920 is 2937522522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1061334 + ... + 1082346.

It is an arithmetic number, because the mean of its divisors is an integer number (238298760).

Almost surely, 2^22522573920 is an apocalyptic number.

22522573920 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 22522573920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45753361920).

22522573920 is an abundant number, since it is smaller than the sum of its proper divisors (68984149920).

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

22522573920 is a wasteful number, since it uses less digits than its factorization.

22522573920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21078 (or 21070 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 22522573920 in words is "twenty-two billion, five hundred twenty-two million, five hundred seventy-three thousand, nine hundred twenty".