222022212112 has 20 divisors (see below), whose sum is σ = 430175947756. Its totient is φ = 111009064320.

The previous prime is 222022212107. The next prime is 222022212131. The reversal of 222022212112 is 211212220222.

It can be written as a sum of positive squares in 2 ways, for example, as 171299965456 + 50722246656 = 413884^2 + 225216^2 .

It is a super-2 number, since 2×222022212112² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222022212112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168318 + ... + 1344994.

Almost surely, 2^222022212112 is an apocalyptic number.

It is an amenable number.

222022212112 is a deficient number, since it is larger than the sum of its proper divisors (208153735644).

222022212112 is a wasteful number, since it uses less digits than its factorization.

222022212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255226 (or 255220 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222022212112 its reverse (211212220222), we get a palindrome (433234432334).

The spelling of 222022212112 in words is "two hundred twenty-two billion, twenty-two million, two hundred twelve thousand, one hundred twelve".