22552888040 has 64 divisors (see below), whose sum is σ = 52442102160. Its totient is φ = 8723169280.

The previous prime is 22552887991. The next prime is 22552888217. The reversal of 22552888040 is 4088825522.

It can be written as a sum of positive squares in 8 ways, for example, as 572453476 + 21980434564 = 23926^2 + 148258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22552887982 and 22552888000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124472 + ... + 246168.

Almost surely, 2^22552888040 is an apocalyptic number.

22552888040 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 22552888040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26221051080).

22552888040 is an abundant number, since it is smaller than the sum of its proper divisors (29889214120).

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

22552888040 is a wasteful number, since it uses less digits than its factorization.

22552888040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121862 (or 121858 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 44.

The spelling of 22552888040 in words is "twenty-two billion, five hundred fifty-two million, eight hundred eighty-eight thousand, forty".