22257573 has 32 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 12650496.

The previous prime is 22257559. The next prime is 22257589. The reversal of 22257573 is 37575222.

It is not a de Polignac number, because 22257573 - 2⁸ = 22257317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22257503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38833 + ... + 39401.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^22257573 is an apocalyptic number.

It is an amenable number.

22257573 is a deficient number, since it is larger than the sum of its proper divisors (12216027).

22257573 is a wasteful number, since it uses less digits than its factorization.

22257573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its digits is 29400, while the sum is 33.

The square root of 22257573 is about 4717.7932341297. The cubic root of 22257573 is about 281.2932227892.

The spelling of 22257573 in words is "twenty-two million, two hundred fifty-seven thousand, five hundred seventy-three".