1322122313 has 4 divisors (see below), whose sum is σ = 1323197568. Its totient is φ = 1321047060.

The previous prime is 1322122279. The next prime is 1322122331. The reversal of 1322122313 is 3132212231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3132212231 = 137 ⋅22862863.

It is a cyclic number.

It is not a de Polignac number, because 1322122313 - 2²⁰ = 1321073737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322122343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535781 + ... + 538242.

It is an arithmetic number, because the mean of its divisors is an integer number (330799392).

Almost surely, 2^1322122313 is an apocalyptic number.

It is an amenable number.

1322122313 is a deficient number, since it is larger than the sum of its proper divisors (1075255).

1322122313 is a wasteful number, since it uses less digits than its factorization.

1322122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075254.

The product of its digits is 432, while the sum is 20.

The square root of 1322122313 is about 36360.9998899920. Note that the first 3 decimals coincide. The cubic root of 1322122313 is about 1097.5488985293.

Adding to 1322122313 its reverse (3132212231), we get a palindrome (4454334544).

It can be divided in two parts, 132212231 and 3, that multiplied together give a palindrome (396636693).

The spelling of 1322122313 in words is "one billion, three hundred twenty-two million, one hundred twenty-two thousand, three hundred thirteen".