22332313 has 4 divisors (see below), whose sum is σ = 22394880. Its totient is φ = 22269748.

The previous prime is 22332301. The next prime is 22332319. The reversal of 22332313 is 31323322.

It is a happy number.

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: 31323322 = 2 ⋅15661661.

It is a cyclic number.

It is not a de Polignac number, because 22332313 - 2²¹ = 20235161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22332319) 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, 30745 + ... + 31462.

It is an arithmetic number, because the mean of its divisors is an integer number (5598720).

Almost surely, 2^22332313 is an apocalyptic number.

It is an amenable number.

22332313 is a deficient number, since it is larger than the sum of its proper divisors (62567).

22332313 is an equidigital number, since it uses as much as digits as its factorization.

22332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62566.

The product of its digits is 648, while the sum is 19.

The square root of 22332313 is about 4725.7076718731. The cubic root of 22332313 is about 281.6077279821.

Adding to 22332313 its reverse (31323322), we get a palindrome (53655635).

The spelling of 22332313 in words is "twenty-two million, three hundred thirty-two thousand, three hundred thirteen".