222142112 has 12 divisors (see below), whose sum is σ = 437342346. Its totient is φ = 111071040.

The previous prime is 222142099. The next prime is 222142121. The reversal of 222142112 is 211241222.

It can be written as a sum of positive squares in only one way, i.e., 208629136 + 13512976 = 14444^2 + 3676^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470939 + ... + 3471002.

Almost surely, 2^222142112 is an apocalyptic number.

It is an amenable number.

222142112 is a deficient number, since it is larger than the sum of its proper divisors (215200234).

222142112 is an equidigital number, since it uses as much as digits as its factorization.

222142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941951 (or 6941943 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 222142112 is about 14904.4326292550. The cubic root of 222142112 is about 605.6340705621.

Adding to 222142112 its reverse (211241222), we get a palindrome (433383334).

The spelling of 222142112 in words is "two hundred twenty-two million, one hundred forty-two thousand, one hundred twelve".