1223112244 has 24 divisors (see below), whose sum is σ = 2179497600. Its totient is φ = 600425280.

The previous prime is 1223112221. The next prime is 1223112257. The reversal of 1223112244 is 4422113221.

It is a super-2 number, since 2×1223112244² = 2992007122845431072, which contains 22 as substring.

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, 212152 + ... + 217840.

It is an arithmetic number, because the mean of its divisors is an integer number (90812400).

Almost surely, 2^1223112244 is an apocalyptic number.

It is an amenable number.

1223112244 is a deficient number, since it is larger than the sum of its proper divisors (956385356).

1223112244 is a wasteful number, since it uses less digits than its factorization.

1223112244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663 (or 6661 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1223112244 is about 34973.0216595592. The cubic root of 1223112244 is about 1069.4375720657.

Adding to 1223112244 its reverse (4422113221), we get a palindrome (5645225465).

The spelling of 1223112244 in words is "one billion, two hundred twenty-three million, one hundred twelve thousand, two hundred forty-four".