22628573 has 24 divisors (see below), whose sum is σ = 26659584. Its totient is φ = 19147040.

The previous prime is 22628533. The next prime is 22628579. The reversal of 22628573 is 37582622.

It is not a de Polignac number, because 22628573 - 2⁸ = 22628317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22628579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130715 + ... + 130887.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816).

Almost surely, 2^22628573 is an apocalyptic number.

22628573 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22628573 is a deficient number, since it is larger than the sum of its proper divisors (4031011).

22628573 is a wasteful number, since it uses less digits than its factorization.

22628573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 254 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 22628573 is about 4756.9499682044. The cubic root of 22628573 is about 282.8475290677.

The spelling of 22628573 in words is "twenty-two million, six hundred twenty-eight thousand, five hundred seventy-three".