222112112022 has 96 divisors (see below), whose sum is σ = 500389883136. Its totient is φ = 71156232000.

The previous prime is 222112111931. The next prime is 222112112023. The reversal of 222112112022 is 220211211222.

It is a happy number.

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 = 222112111986 and 222112112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112112023) 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, 12733647 + ... + 12751077.

It is an arithmetic number, because the mean of its divisors is an integer number (5212394616).

Almost surely, 2^222112112022 is an apocalyptic number.

222112112022 is an abundant number, since it is smaller than the sum of its proper divisors (278277771114).

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

222112112022 is a wasteful number, since it uses less digits than its factorization.

222112112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17746 (or 17743 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222112112022 its reverse (220211211222), we get a palindrome (442323323244).

The spelling of 222112112022 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand, twenty-two".