22526180628 has 192 divisors, whose sum is σ = 64486195200. Its totient is φ = 6109084800.

The previous prime is 22526180581. The next prime is 22526180647. The reversal of 22526180628 is 82608162522.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 22526180628.

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, 6760923 + ... + 6764253.

It is an arithmetic number, because the mean of its divisors is an integer number (335865600).

Almost surely, 2^22526180628 is an apocalyptic number.

22526180628 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 22526180628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32243097600).

22526180628 is an abundant number, since it is smaller than the sum of its proper divisors (41960014572).

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

22526180628 is a wasteful number, since it uses less digits than its factorization.

22526180628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443 (or 3427 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 22526180628 in words is "twenty-two billion, five hundred twenty-six million, one hundred eighty thousand, six hundred twenty-eight".