22545075 has 24 divisors (see below), whose sum is σ = 42600448. Its totient is φ = 10306080.

The previous prime is 22545073. The next prime is 22545079. The reversal of 22545075 is 57054522.

It is not a de Polignac number, because 22545075 - 2¹ = 22545073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22545073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20947 + ... + 21996.

Almost surely, 2^22545075 is an apocalyptic number.

22545075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22545075 is a deficient number, since it is larger than the sum of its proper divisors (20055373).

22545075 is a wasteful number, since it uses less digits than its factorization.

22545075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42963 (or 42958 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 22545075 is about 4748.1654351971. The cubic root of 22545075 is about 282.4992037986.

Adding to 22545075 its reverse (57054522), we get a palindrome (79599597).

The spelling of 22545075 in words is "twenty-two million, five hundred forty-five thousand, seventy-five".