222112221332 has 24 divisors (see below), whose sum is σ = 398204154600. Its totient is φ = 108339978240.

The previous prime is 222112221329. The next prime is 222112221341. The reversal of 222112221332 is 233122211222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 267453316 + 221844768016 = 16354^2 + 471004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222112221298 and 222112221307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2922518 + ... + 2997554.

It is an arithmetic number, because the mean of its divisors is an integer number (16591839775).

Almost surely, 2^222112221332 is an apocalyptic number.

It is an amenable number.

222112221332 is a deficient number, since it is larger than the sum of its proper divisors (176091933268).

222112221332 is a wasteful number, since it uses less digits than its factorization.

222112221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93131 (or 93129 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

Adding to 222112221332 its reverse (233122211222), we get a palindrome (455234432554).

The spelling of 222112221332 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, three hundred thirty-two".