1232221330 has 32 divisors (see below), whose sum is σ = 2301602688. Its totient is φ = 474633600.

The previous prime is 1232221267. The next prime is 1232221349. The reversal of 1232221330 is 331222321.

It is a super-2 number, since 2×1232221330² = 3036738812213937800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232221298 and 1232221307.

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 15 ways as a sum of consecutive naturals, for example, 10350 + ... + 50710.

It is an arithmetic number, because the mean of its divisors is an integer number (71925084).

Almost surely, 2^1232221330 is an apocalyptic number.

1232221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232221330 is a deficient number, since it is larger than the sum of its proper divisors (1069381358).

1232221330 is a wasteful number, since it uses less digits than its factorization.

1232221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40482.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1232221330 is about 35103.0102697760. The cubic root of 1232221330 is about 1072.0858749289.

Adding to 1232221330 its reverse (331222321), we get a palindrome (1563443651).

Subtracting from 1232221330 its reverse (331222321), we obtain a palindrome (900999009).

The spelling of 1232221330 in words is "one billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred thirty".