22744313 has 2 divisors, whose sum is σ = 22744314. Its totient is φ = 22744312.

The previous prime is 22744247. The next prime is 22744321. The reversal of 22744313 is 31344722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13935289 + 8809024 = 3733^2 + 2968^2 .

It is a cyclic number.

It is not a de Polignac number, because 22744313 - 2¹⁰ = 22743289 is a prime.

It is not a weakly prime, because it can be changed into another prime (22744343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11372156 + 11372157.

It is an arithmetic number, because the mean of its divisors is an integer number (11372157).

Almost surely, 2^22744313 is an apocalyptic number.

It is an amenable number.

22744313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22744313 is an equidigital number, since it uses as much as digits as its factorization.

22744313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 26.

The square root of 22744313 is about 4769.0998102367. The cubic root of 22744313 is about 283.3289428001.

The spelling of 22744313 in words is "twenty-two million, seven hundred forty-four thousand, three hundred thirteen".