22485745 has 4 divisors (see below), whose sum is σ = 26982900. Its totient is φ = 17988592.

The previous prime is 22485737. The next prime is 22485769. The reversal of 22485745 is 54758422.

It is a happy number.

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 4133089 + 18352656 = 2033^2 + 4284^2 .

It is a cyclic number.

It is not a de Polignac number, because 22485745 - 2³ = 22485737 is a prime.

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, 2248570 + ... + 2248579.

It is an arithmetic number, because the mean of its divisors is an integer number (6745725).

Almost surely, 2^22485745 is an apocalyptic number.

It is an amenable number.

22485745 is a deficient number, since it is larger than the sum of its proper divisors (4497155).

22485745 is an equidigital number, since it uses as much as digits as its factorization.

22485745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497154.

The product of its digits is 89600, while the sum is 37.

The square root of 22485745 is about 4741.9136432457. The cubic root of 22485745 is about 282.2511762086.

The spelling of 22485745 in words is "twenty-two million, four hundred eighty-five thousand, seven hundred forty-five".