1322314402 has 4 divisors (see below), whose sum is σ = 1983471606. Its totient is φ = 661157200.

The previous prime is 1322314397. The next prime is 1322314447. The reversal of 1322314402 is 2044132231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2044132231 = 59 ⋅34646309.

It can be written as a sum of positive squares in only one way, i.e., 1291611721 + 30702681 = 35939^2 + 5541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330578599 + ... + 330578602.

Almost surely, 2^1322314402 is an apocalyptic number.

1322314402 is a deficient number, since it is larger than the sum of its proper divisors (661157204).

1322314402 is an equidigital number, since it uses as much as digits as its factorization.

1322314402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661157203.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1322314402 is about 36363.6412093179. The cubic root of 1322314402 is about 1097.6020496532.

Adding to 1322314402 its reverse (2044132231), we get a palindrome (3366446633).

The spelling of 1322314402 in words is "one billion, three hundred twenty-two million, three hundred fourteen thousand, four hundred two".