1322421412 has 24 divisors (see below), whose sum is σ = 2494461816. Its totient is φ = 609808128.

The previous prime is 1322421383. The next prime is 1322421437. The reversal of 1322421412 is 2141242231.

It can be written as a sum of positive squares in 4 ways, for example, as 409414756 + 913006656 = 20234^2 + 30216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51378 + ... + 72694.

It is an arithmetic number, because the mean of its divisors is an integer number (103935909).

Almost surely, 2^1322421412 is an apocalyptic number.

It is an amenable number.

1322421412 is a deficient number, since it is larger than the sum of its proper divisors (1172040404).

1322421412 is a wasteful number, since it uses less digits than its factorization.

1322421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22527 (or 22525 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1322421412 is about 36365.1125668545. The cubic root of 1322421412 is about 1097.6316571422.

Adding to 1322421412 its reverse (2141242231), we get a palindrome (3463663643).

The spelling of 1322421412 in words is "one billion, three hundred twenty-two million, four hundred twenty-one thousand, four hundred twelve".