22238553960 has 288 divisors, whose sum is σ = 84649617000. Its totient is φ = 5048386560.

The previous prime is 22238553949. The next prime is 22238553991. The reversal of 22238553960 is 6935583222.

22238553960 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 8 + 553 + 96 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17182490724 + 5056063236 = 131082^2 + 71106^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 71 ways as a sum of consecutive naturals, for example, 2624130 + ... + 2632590.

Almost surely, 2^22238553960 is an apocalyptic number.

22238553960 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 22238553960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42324808500).

22238553960 is an abundant number, since it is smaller than the sum of its proper divisors (62411063040).

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

22238553960 is a wasteful number, since it uses less digits than its factorization.

22238553960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641 (or 8627 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 22238553960 in words is "twenty-two billion, two hundred thirty-eight million, five hundred fifty-three thousand, nine hundred sixty".