22057227 has 12 divisors (see below), whose sum is σ = 31911880. Its totient is φ = 14681088.

The previous prime is 22057201. The next prime is 22057229. The reversal of 22057227 is 72275022.

It is a happy number.

It is not a de Polignac number, because 22057227 - 2⁶ = 22057163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22057227.

It is not an unprimeable number, because it can be changed into a prime (22057229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5328 + ... + 8514.

Almost surely, 2^22057227 is an apocalyptic number.

22057227 is a deficient number, since it is larger than the sum of its proper divisors (9854653).

22057227 is a wasteful number, since it uses less digits than its factorization.

22057227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 22057227 is about 4696.5122165283. The cubic root of 22057227 is about 280.4466807440.

The spelling of 22057227 in words is "twenty-two million, fifty-seven thousand, two hundred twenty-seven".