1322445332 has 24 divisors (see below), whose sum is σ = 2494098432. Its totient is φ = 609919200.

The previous prime is 1322445331. The next prime is 1322445359. The reversal of 1322445332 is 2335442231.

It is a happy number.

It is a super-2 number, since 2×1322445332² = 3497723312257180448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322445295 and 1322445304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322445331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70157 + ... + 86987.

It is an arithmetic number, because the mean of its divisors is an integer number (103920768).

Almost surely, 2^1322445332 is an apocalyptic number.

It is an amenable number.

1322445332 is a deficient number, since it is larger than the sum of its proper divisors (1171653100).

1322445332 is a wasteful number, since it uses less digits than its factorization.

1322445332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18359 (or 18357 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 1322445332 is about 36365.4414520160. The cubic root of 1322445332 is about 1097.6382751009.

Adding to 1322445332 its reverse (2335442231), we get a palindrome (3657887563).

The spelling of 1322445332 in words is "one billion, three hundred twenty-two million, four hundred forty-five thousand, three hundred thirty-two".