22256227 has 4 divisors (see below), whose sum is σ = 25435696. Its totient is φ = 19076760.

The previous prime is 22256209. The next prime is 22256231. The reversal of 22256227 is 72265222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22256227 - 2⁷ = 22256099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22256195 and 22256204.

It is not an unprimeable number, because it can be changed into a prime (22256287) 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 3 ways as a sum of consecutive naturals, for example, 1589724 + ... + 1589737.

It is an arithmetic number, because the mean of its divisors is an integer number (6358924).

Almost surely, 2^22256227 is an apocalyptic number.

22256227 is a deficient number, since it is larger than the sum of its proper divisors (3179469).

22256227 is an equidigital number, since it uses as much as digits as its factorization.

22256227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179468.

The product of its digits is 6720, while the sum is 28.

The square root of 22256227 is about 4717.6505805326. The cubic root of 22256227 is about 281.2875523850.

The spelling of 22256227 in words is "twenty-two million, two hundred fifty-six thousand, two hundred twenty-seven".