1232313222 has 32 divisors (see below), whose sum is σ = 2843050752. Its totient is φ = 348797664.

The previous prime is 1232313197. The next prime is 1232313227. The reversal of 1232313222 is 2223132321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232313227) 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, 132613 + ... + 141600.

It is an arithmetic number, because the mean of its divisors is an integer number (88845336).

Almost surely, 2^1232313222 is an apocalyptic number.

1232313222 is an abundant number, since it is smaller than the sum of its proper divisors (1610737530).

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

1232313222 is a wasteful number, since it uses less digits than its factorization.

1232313222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274332.

The product of its digits is 864, while the sum is 21.

The square root of 1232313222 is about 35104.3191359696. The cubic root of 1232313222 is about 1072.1125242719.

Adding to 1232313222 its reverse (2223132321), we get a palindrome (3455445543).

The spelling of 1232313222 in words is "one billion, two hundred thirty-two million, three hundred thirteen thousand, two hundred twenty-two".