22388079572240 has 160 divisors (see below), whose sum is σ = 52965234008064. Its totient is φ = 8799899996160.

The previous prime is 22388079572239. The next prime is 22388079572269. The reversal of 22388079572240 is 4227597088322.

It is a super-2 number, since 2×22388079572240² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22388079572240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476754842 + ... + 476801798.

Almost surely, 2^{22388079572240} is an apocalyptic number.

22388079572240 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 22388079572240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26482617004032).

22388079572240 is an abundant number, since it is smaller than the sum of its proper divisors (30577154435824).

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

22388079572240 is a wasteful number, since it uses less digits than its factorization.

22388079572240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47545 (or 47539 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 22388079572240 in words is "twenty-two trillion, three hundred eighty-eight billion, seventy-nine million, five hundred seventy-two thousand, two hundred forty".