22809313 has 4 divisors (see below), whose sum is σ = 23084208. Its totient is φ = 22534420.

The previous prime is 22809301. The next prime is 22809331. The reversal of 22809313 is 31390822.

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: 31390822 = 2 ⋅15695411.

It is a cyclic number.

It is not a de Polignac number, because 22809313 - 2¹⁷ = 22678241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22809373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137323 + ... + 137488.

It is an arithmetic number, because the mean of its divisors is an integer number (5771052).

Almost surely, 2^22809313 is an apocalyptic number.

It is an amenable number.

22809313 is a deficient number, since it is larger than the sum of its proper divisors (274895).

22809313 is an equidigital number, since it uses as much as digits as its factorization.

22809313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274894.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 22809313 is about 4775.9096515742. The cubic root of 22809313 is about 283.5985906499.

The spelling of 22809313 in words is "twenty-two million, eight hundred nine thousand, three hundred thirteen".