1222112232 has 64 divisors (see below), whose sum is σ = 3703377600. Its totient is φ = 370336320.

The previous prime is 1222112219. The next prime is 1222112239. The reversal of 1222112232 is 2322112221.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254803 + ... + 259554.

It is an arithmetic number, because the mean of its divisors is an integer number (57865275).

Almost surely, 2^1222112232 is an apocalyptic number.

1222112232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222112232 is an abundant number, since it is smaller than the sum of its proper divisors (2481265368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222112232 is a wasteful number, since it uses less digits than its factorization.

1222112232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514383 (or 514373 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 1222112232 is about 34958.7218301814. The cubic root of 1222112232 is about 1069.1460365443.

Adding to 1222112232 its reverse (2322112221), we get a palindrome (3544224453).

The spelling of 1222112232 in words is "one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred thirty-two".