22545260 has 12 divisors (see below), whose sum is σ = 47345088. Its totient is φ = 9018096.

The previous prime is 22545253. The next prime is 22545283. The reversal of 22545260 is 6254522.

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, 563612 + ... + 563651.

It is an arithmetic number, because the mean of its divisors is an integer number (3945424).

Almost surely, 2^22545260 is an apocalyptic number.

22545260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22545260 is an abundant number, since it is smaller than the sum of its proper divisors (24799828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22545260 is a wasteful number, since it uses less digits than its factorization.

22545260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127272 (or 1127270 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 22545260 is about 4748.1849163654. The cubic root of 22545260 is about 282.4999765056.

Adding to 22545260 its reverse (6254522), we get a palindrome (28799782).

The spelling of 22545260 in words is "twenty-two million, five hundred forty-five thousand, two hundred sixty".