1322023213 has 4 divisors (see below), whose sum is σ = 1510883680. Its totient is φ = 1133162748.

The previous prime is 1322023201. The next prime is 1322023217. The reversal of 1322023213 is 3123202231.

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.

It is a cyclic number.

It is not a de Polignac number, because 1322023213 - 2⁹ = 1322022701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322023217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94430223 + ... + 94430236.

It is an arithmetic number, because the mean of its divisors is an integer number (377720920).

Almost surely, 2^1322023213 is an apocalyptic number.

It is an amenable number.

1322023213 is a deficient number, since it is larger than the sum of its proper divisors (188860467).

1322023213 is an equidigital number, since it uses as much as digits as its factorization.

1322023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188860466.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1322023213 is about 36359.6371406536. The cubic root of 1322023213 is about 1097.5214754957.

Adding to 1322023213 its reverse (3123202231), we get a palindrome (4445225444).

The spelling of 1322023213 in words is "one billion, three hundred twenty-two million, twenty-three thousand, two hundred thirteen".