22492313 has 8 divisors (see below), whose sum is σ = 23836680. Its totient is φ = 21185920.

The previous prime is 22492297. The next prime is 22492319. The reversal of 22492313 is 31329422.

It can be written as a sum of positive squares in 4 ways, for example, as 1817104 + 20675209 = 1348^2 + 4547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22492313 - 2⁴ = 22492297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22492319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8270 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (2979585).

Almost surely, 2^22492313 is an apocalyptic number.

It is an amenable number.

22492313 is a deficient number, since it is larger than the sum of its proper divisors (1344367).

22492313 is a wasteful number, since it uses less digits than its factorization.

22492313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18987.

The product of its digits is 2592, while the sum is 26.

The square root of 22492313 is about 4742.6061400880. The cubic root of 22492313 is about 282.2786550292.

The spelling of 22492313 in words is "twenty-two million, four hundred ninety-two thousand, three hundred thirteen".