22573227 has 4 divisors (see below), whose sum is σ = 30097640. Its totient is φ = 15048816.

The previous prime is 22573181. The next prime is 22573241. The reversal of 22573227 is 72237522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22573227 - 2⁷ = 22573099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22573194 and 22573203.

It is not an unprimeable number, because it can be changed into a prime (22573277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3762202 + ... + 3762207.

It is an arithmetic number, because the mean of its divisors is an integer number (7524410).

Almost surely, 2^22573227 is an apocalyptic number.

22573227 is a deficient number, since it is larger than the sum of its proper divisors (7524413).

22573227 is an equidigital number, since it uses as much as digits as its factorization.

22573227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524412.

The product of its digits is 11760, while the sum is 30.

The square root of 22573227 is about 4751.1290237164. The cubic root of 22573227 is about 282.6167403281.

The spelling of 22573227 in words is "twenty-two million, five hundred seventy-three thousand, two hundred twenty-seven".