22564303 has 2 divisors, whose sum is σ = 22564304. Its totient is φ = 22564302.

The previous prime is 22564279. The next prime is 22564319. The reversal of 22564303 is 30346522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22564303 - 2²¹ = 20467151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22564363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11282151 + 11282152.

It is an arithmetic number, because the mean of its divisors is an integer number (11282152).

Almost surely, 2^22564303 is an apocalyptic number.

22564303 is a deficient number, since it is larger than the sum of its proper divisors (1).

22564303 is an equidigital number, since it uses as much as digits as its factorization.

22564303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 22564303 is about 4750.1897856823. The cubic root of 22564303 is about 282.5794926007.

The spelling of 22564303 in words is "twenty-two million, five hundred sixty-four thousand, three hundred three".