222911372113920 has 5376 divisors, whose sum is σ = 1046907116236800. Its totient is φ = 44305313955840.

The previous prime is 222911372113909. The next prime is 222911372113973. The reversal of 222911372113920 is 29311273119222.

222911372113920 is a `hidden beast` number, since 2 + 2 + 2 + 9 + 11 + 37 + 211 + 392 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (5376).

It is a super-2 number, since 2×222911372113920² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 793278904180 + ... + 793278904460.

It is an arithmetic number, because the mean of its divisors is an integer number (194737186800).

Almost surely, 2^{222911372113920} is an apocalyptic number.

222911372113920 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 222911372113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523453558118400).

222911372113920 is an abundant number, since it is smaller than the sum of its proper divisors (823995744122880).

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

222911372113920 is a wasteful number, since it uses less digits than its factorization.

222911372113920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 222911372113920 in words is "two hundred twenty-two trillion, nine hundred eleven billion, three hundred seventy-two million, one hundred thirteen thousand, nine hundred twenty".