222111244 has 6 divisors (see below), whose sum is σ = 388694684. Its totient is φ = 111055620.

The previous prime is 222111233. The next prime is 222111251. The reversal of 222111244 is 442111222.

It is a super-2 number, since 2×222111244² = 98666809422455072, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27763902 + ... + 27763909.

Almost surely, 2^222111244 is an apocalyptic number.

It is an amenable number.

222111244 is a deficient number, since it is larger than the sum of its proper divisors (166583440).

222111244 is a wasteful number, since it uses less digits than its factorization.

222111244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55527815 (or 55527813 counting only the distinct ones).

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

The square root of 222111244 is about 14903.3970624150. The cubic root of 222111244 is about 605.6060170813.

Adding to 222111244 its reverse (442111222), we get a palindrome (664222466).

The spelling of 222111244 in words is "two hundred twenty-two million, one hundred eleven thousand, two hundred forty-four".