22284227 has 4 divisors (see below), whose sum is σ = 25467696. Its totient is φ = 19100760.

The previous prime is 22284211. The next prime is 22284239. The reversal of 22284227 is 72248222.

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

It is not a de Polignac number, because 22284227 - 2⁴ = 22284211 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 22284227.

It is not an unprimeable number, because it can be changed into a prime (22284527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591724 + ... + 1591737.

It is an arithmetic number, because the mean of its divisors is an integer number (6366924).

Almost surely, 2^22284227 is an apocalyptic number.

22284227 is a deficient number, since it is larger than the sum of its proper divisors (3183469).

22284227 is an equidigital number, since it uses as much as digits as its factorization.

22284227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183468.

The product of its digits is 7168, while the sum is 29.

The square root of 22284227 is about 4720.6172265923. The cubic root of 22284227 is about 281.4054632193.

The spelling of 22284227 in words is "twenty-two million, two hundred eighty-four thousand, two hundred twenty-seven".