222112031022 has 96 divisors (see below), whose sum is σ = 557672955840. Its totient is φ = 62578137600.

The previous prime is 222112031017. The next prime is 222112031023. The reversal of 222112031022 is 220130211222.

222112031022 is a `hidden beast` number, since 222 + 112 + 0 + 310 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222112030986 and 222112031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112031023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4156272 + ... + 4209372.

It is an arithmetic number, because the mean of its divisors is an integer number (5809093290).

Almost surely, 2^222112031022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222112031022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278836477920).

222112031022 is an abundant number, since it is smaller than the sum of its proper divisors (335560924818).

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

222112031022 is a wasteful number, since it uses less digits than its factorization.

222112031022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53578 (or 53575 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222112031022 its reverse (220130211222), we get a palindrome (442242242244).

The spelling of 222112031022 in words is "two hundred twenty-two billion, one hundred twelve million, thirty-one thousand, twenty-two".