22167227 has 4 divisors (see below), whose sum is σ = 22178280. Its totient is φ = 22156176.

The previous prime is 22167209. The next prime is 22167241. The reversal of 22167227 is 72276122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72276122 = 2 ⋅36138061.

It is a cyclic number.

It is not a de Polignac number, because 22167227 - 2¹⁸ = 21905083 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 22167227.

It is not an unprimeable number, because it can be changed into a prime (22167287) 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, 1577 + ... + 6842.

It is an arithmetic number, because the mean of its divisors is an integer number (5544570).

Almost surely, 2^22167227 is an apocalyptic number.

22167227 is a deficient number, since it is larger than the sum of its proper divisors (11053).

22167227 is an equidigital number, since it uses as much as digits as its factorization.

22167227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052.

The product of its digits is 4704, while the sum is 29.

The square root of 22167227 is about 4708.2084703207. The cubic root of 22167227 is about 280.9121063489.

The spelling of 22167227 in words is "twenty-two million, one hundred sixty-seven thousand, two hundred twenty-seven".