1322221232 has 40 divisors (see below), whose sum is σ = 2596783200. Its totient is φ = 652147200.

The previous prime is 1322221231. The next prime is 1322221261. The reversal of 1322221232 is 2321222231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1322221231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358148 + ... + 361820.

It is an arithmetic number, because the mean of its divisors is an integer number (64919580).

Almost surely, 2^1322221232 is an apocalyptic number.

It is an amenable number.

1322221232 is a deficient number, since it is larger than the sum of its proper divisors (1274561968).

1322221232 is a wasteful number, since it uses less digits than its factorization.

1322221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981 (or 3975 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 1322221232 is about 36362.3600994215. The cubic root of 1322221232 is about 1097.5762701098.

Adding to 1322221232 its reverse (2321222231), we get a palindrome (3643443463).

Subtracting 1322221232 from its reverse (2321222231), we obtain a palindrome (999000999).

The spelling of 1322221232 in words is "one billion, three hundred twenty-two million, two hundred twenty-one thousand, two hundred thirty-two".