22569485 has 4 divisors (see below), whose sum is σ = 27083388. Its totient is φ = 18055584.

The previous prime is 22569479. The next prime is 22569559. The reversal of 22569485 is 58496522.

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 3924361 + 18645124 = 1981^2 + 4318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22569485 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2256944 + ... + 2256953.

It is an arithmetic number, because the mean of its divisors is an integer number (6770847).

Almost surely, 2^22569485 is an apocalyptic number.

It is an amenable number.

22569485 is a deficient number, since it is larger than the sum of its proper divisors (4513903).

22569485 is an equidigital number, since it uses as much as digits as its factorization.

22569485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513902.

The product of its digits is 172800, while the sum is 41.

The square root of 22569485 is about 4750.7352062602. The cubic root of 22569485 is about 282.6011228551.

The spelling of 22569485 in words is "twenty-two million, five hundred sixty-nine thousand, four hundred eighty-five".