22347313 has 4 divisors (see below), whose sum is σ = 23117940. Its totient is φ = 21576688.

The previous prime is 22347307. The next prime is 22347317. The reversal of 22347313 is 31374322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4941729 + 17405584 = 2223^2 + 4172^2 .

It is a cyclic number.

It is not a de Polignac number, because 22347313 - 2¹⁷ = 22216241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22347317) 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, 385270 + ... + 385327.

It is an arithmetic number, because the mean of its divisors is an integer number (5779485).

Almost surely, 2^22347313 is an apocalyptic number.

It is an amenable number.

22347313 is a deficient number, since it is larger than the sum of its proper divisors (770627).

22347313 is an equidigital number, since it uses as much as digits as its factorization.

22347313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770626.

The product of its digits is 3024, while the sum is 25.

The square root of 22347313 is about 4727.2944693556. The cubic root of 22347313 is about 281.6707632579.

The spelling of 22347313 in words is "twenty-two million, three hundred forty-seven thousand, three hundred thirteen".