22565473 has 8 divisors (see below), whose sum is σ = 25856640. Its totient is φ = 19291200.

The previous prime is 22565467. The next prime is 22565479. The reversal of 22565473 is 37456522.

It is an interprime number because it is at equal distance from previous prime (22565467) and next prime (22565479).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22565473 - 2⁵ = 22565441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22565479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213 + ... + 6826.

It is an arithmetic number, because the mean of its divisors is an integer number (3232080).

Almost surely, 2^22565473 is an apocalyptic number.

It is an amenable number.

22565473 is a deficient number, since it is larger than the sum of its proper divisors (3291167).

22565473 is an equidigital number, since it uses as much as digits as its factorization.

22565473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447.

The product of its digits is 50400, while the sum is 34.

The square root of 22565473 is about 4750.3129370600. The cubic root of 22565473 is about 282.5843766025.

The spelling of 22565473 in words is "twenty-two million, five hundred sixty-five thousand, four hundred seventy-three".