22564007 has 2 divisors, whose sum is σ = 22564008. Its totient is φ = 22564006.

The previous prime is 22563997. The next prime is 22564033. The reversal of 22564007 is 70046522.

It is an a-pointer prime, because the next prime (22564033) can be obtained adding 22564007 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22564007 - 2⁴ = 22563991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22564067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11282003 + 11282004.

It is an arithmetic number, because the mean of its divisors is an integer number (11282004).

Almost surely, 2^22564007 is an apocalyptic number.

22564007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22564007 is an equidigital number, since it uses as much as digits as its factorization.

22564007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22564007 is about 4750.1586289302. The cubic root of 22564007 is about 282.5782569632.

The spelling of 22564007 in words is "twenty-two million, five hundred sixty-four thousand, seven".