1322312849 has 32 divisors (see below), whose sum is σ = 1627202304. Its totient is φ = 1057351680.

The previous prime is 1322312813. The next prime is 1322312851. The reversal of 1322312849 is 9482132231.

It is a happy number.

It is not a de Polignac number, because 1322312849 - 2¹⁶ = 1322247313 is a prime.

It is a super-2 number, since 2×1322312849² = 3497022541260993602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1322312869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107797 + ... + 1108989.

It is an arithmetic number, because the mean of its divisors is an integer number (50850072).

Almost surely, 2^1322312849 is an apocalyptic number.

It is an amenable number.

1322312849 is a deficient number, since it is larger than the sum of its proper divisors (304889455).

1322312849 is a wasteful number, since it uses less digits than its factorization.

1322312849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577.

The product of its digits is 20736, while the sum is 35.

The square root of 1322312849 is about 36363.6198555644. The cubic root of 1322312849 is about 1097.6016199580.

The spelling of 1322312849 in words is "one billion, three hundred twenty-two million, three hundred twelve thousand, eight hundred forty-nine".