1222112234 has 24 divisors (see below), whose sum is σ = 2134897380. Its totient is φ = 523164096.

The previous prime is 1222112219. The next prime is 1222112239. The reversal of 1222112234 is 4322112221.

It can be written as a sum of positive squares in 2 ways, for example, as 801739225 + 420373009 = 28315^2 + 20503^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222112239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85172 + ... + 98480.

Almost surely, 2^1222112234 is an apocalyptic number.

1222112234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1222112234 is a deficient number, since it is larger than the sum of its proper divisors (912785146).

1222112234 is a wasteful number, since it uses less digits than its factorization.

1222112234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262 (or 14255 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1222112234 is about 34958.7218587865. The cubic root of 1222112234 is about 1069.1460371275.

Adding to 1222112234 its reverse (4322112221), we get a palindrome (5544224455).

The spelling of 1222112234 in words is "one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred thirty-four".