22548726840 has 64 divisors (see below), whose sum is σ = 67885315200. Its totient is φ = 5991737472.

The previous prime is 22548726833. The next prime is 22548726847. The reversal of 22548726840 is 4862784522.

It is an interprime number because it is at equal distance from previous prime (22548726833) and next prime (22548726847).

It is a self number, because there is not a number n which added to its sum of digits gives 22548726840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22548726847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298030 + ... + 365949.

It is an arithmetic number, because the mean of its divisors is an integer number (1060708050).

Almost surely, 2^22548726840 is an apocalyptic number.

22548726840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22548726840 is an abundant number, since it is smaller than the sum of its proper divisors (45336588360).

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

22548726840 is a wasteful number, since it uses less digits than its factorization.

22548726840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664276 (or 664272 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 22548726840 in words is "twenty-two billion, five hundred forty-eight million, seven hundred twenty-six thousand, eight hundred forty".