1232221332 has 12 divisors (see below), whose sum is σ = 2875183136. Its totient is φ = 410740440.

The previous prime is 1232221267. The next prime is 1232221349. The reversal of 1232221332 is 2331222321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1232221332² = 3036738822071708448, which contains 22 as substring.

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 = 1232221299 and 1232221308.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 51342544 + ... + 51342567.

Almost surely, 2^1232221332 is an apocalyptic number.

1232221332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232221332 is an abundant number, since it is smaller than the sum of its proper divisors (1642961804).

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

1232221332 is a wasteful number, since it uses less digits than its factorization.

1232221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102685118 (or 102685116 counting only the distinct ones).

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

The square root of 1232221332 is about 35103.0102982636. The cubic root of 1232221332 is about 1072.0858755090.

Adding to 1232221332 its reverse (2331222321), we get a palindrome (3563443653).

The spelling of 1232221332 in words is "one billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred thirty-two".