1222111244 has 6 divisors (see below), whose sum is σ = 2138694684. Its totient is φ = 611055620.

The previous prime is 1222111207. The next prime is 1222111273. The reversal of 1222111244 is 4421112221.

It is a super-2 number, since 2×1222111244² = 2987111785422455072, 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 polite number, since it can be written as a sum of consecutive naturals, namely, 152763902 + ... + 152763909.

It is an arithmetic number, because the mean of its divisors is an integer number (356449114).

Almost surely, 2^1222111244 is an apocalyptic number.

It is an amenable number.

1222111244 is a deficient number, since it is larger than the sum of its proper divisors (916583440).

1222111244 is a wasteful number, since it uses less digits than its factorization.

1222111244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305527815 (or 305527813 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 1222111244 is about 34958.7076992271. The cubic root of 1222111244 is about 1069.1457484320.

Adding to 1222111244 its reverse (4421112221), we get a palindrome (5643223465).

The spelling of 1222111244 in words is "one billion, two hundred twenty-two million, one hundred eleven thousand, two hundred forty-four".