1223322132 has 48 divisors (see below), whose sum is σ = 2874103232. Its totient is φ = 404974080.

The previous prime is 1223322131. The next prime is 1223322161. The reversal of 1223322132 is 2312233221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1223322099 and 1223322108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223322131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1508007 + ... + 1508817.

Almost surely, 2^1223322132 is an apocalyptic number.

1223322132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223322132 is an abundant number, since it is smaller than the sum of its proper divisors (1650781100).

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

1223322132 is a wasteful number, since it uses less digits than its factorization.

1223322132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528 (or 1526 counting only the distinct ones).

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

The square root of 1223322132 is about 34976.0222438173. The cubic root of 1223322132 is about 1069.4987409612.

Adding to 1223322132 its reverse (2312233221), we get a palindrome (3535555353).

The spelling of 1223322132 in words is "one billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred thirty-two".