222113231213220 has 192 divisors, whose sum is σ = 712117315607040. Its totient is φ = 57432690095616.

The previous prime is 222113231213179. The next prime is 222113231213249. The reversal of 222113231213220 is 22312132311222.

222113231213220 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 1 + 323 + 12 + 1 + 322 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 13116472 + ... + 24824751.

It is an arithmetic number, because the mean of its divisors is an integer number (3708944352120).

Almost surely, 2^{222113231213220} is an apocalyptic number.

222113231213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222113231213220 is an abundant number, since it is smaller than the sum of its proper divisors (490004084393820).

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

222113231213220 is a wasteful number, since it uses less digits than its factorization.

222113231213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37941571 (or 37941563 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 222113231213220 its reverse (22312132311222), we get a palindrome (244425363524442).

The spelling of 222113231213220 in words is "two hundred twenty-two trillion, one hundred thirteen billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred twenty".