222136864560 has 320 divisors, whose sum is σ = 829540656000. Its totient is φ = 54311841792.

The previous prime is 222136864559. The next prime is 222136864567. The reversal of 222136864560 is 65468631222.

222136864560 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 3 + 6 + 86 + 4 + 560 = 666.

222136864560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (222136864567) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 4157374 + ... + 4210466.

It is an arithmetic number, because the mean of its divisors is an integer number (2592314550).

Almost surely, 2^222136864560 is an apocalyptic number.

222136864560 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 222136864560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414770328000).

222136864560 is an abundant number, since it is smaller than the sum of its proper divisors (607403791440).

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

222136864560 is a wasteful number, since it uses less digits than its factorization.

222136864560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53277 (or 53265 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 222136864560 in words is "two hundred twenty-two billion, one hundred thirty-six million, eight hundred sixty-four thousand, five hundred sixty".