22565327 has 4 divisors (see below), whose sum is σ = 22818960. Its totient is φ = 22311696.

The previous prime is 22565321. The next prime is 22565359. The reversal of 22565327 is 72356522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22565327 - 2¹⁰ = 22564303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22565293 and 22565302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22565321) 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 3 ways as a sum of consecutive naturals, for example, 126683 + ... + 126860.

It is an arithmetic number, because the mean of its divisors is an integer number (5704740).

Almost surely, 2^22565327 is an apocalyptic number.

22565327 is a deficient number, since it is larger than the sum of its proper divisors (253633).

22565327 is an equidigital number, since it uses as much as digits as its factorization.

22565327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253632.

The product of its digits is 25200, while the sum is 32.

The square root of 22565327 is about 4750.2975696266. The cubic root of 22565327 is about 282.5837671551.

The spelling of 22565327 in words is "twenty-two million, five hundred sixty-five thousand, three hundred twenty-seven".