22546313 has 4 divisors (see below), whose sum is σ = 22574340. Its totient is φ = 22518288.

The previous prime is 22546309. The next prime is 22546343. The reversal of 22546313 is 31364522.

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 12730624 + 9815689 = 3568^2 + 3133^2 .

It is a cyclic number.

It is not a de Polignac number, because 22546313 - 2² = 22546309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22546343) 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, 12770 + ... + 14427.

It is an arithmetic number, because the mean of its divisors is an integer number (5643585).

Almost surely, 2^22546313 is an apocalyptic number.

It is an amenable number.

22546313 is a deficient number, since it is larger than the sum of its proper divisors (28027).

22546313 is an equidigital number, since it uses as much as digits as its factorization.

22546313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28026.

The product of its digits is 4320, while the sum is 26.

The square root of 22546313 is about 4748.2957995475. The cubic root of 22546313 is about 282.5043745896.

The spelling of 22546313 in words is "twenty-two million, five hundred forty-six thousand, three hundred thirteen".