22266227 has 4 divisors (see below), whose sum is σ = 22279680. Its totient is φ = 22252776.

The previous prime is 22266191. The next prime is 22266247. The reversal of 22266227 is 72266222.

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 22266227 - 2⁶ = 22266163 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 22266227.

It is not an unprimeable number, because it can be changed into a prime (22266247) 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, 3827 + ... + 7692.

It is an arithmetic number, because the mean of its divisors is an integer number (5569920).

Almost surely, 2^22266227 is an apocalyptic number.

22266227 is a deficient number, since it is larger than the sum of its proper divisors (13453).

22266227 is a wasteful number, since it uses less digits than its factorization.

22266227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13452.

The product of its digits is 8064, while the sum is 29.

The square root of 22266227 is about 4718.7103110914. The cubic root of 22266227 is about 281.3296747438.

The spelling of 22266227 in words is "twenty-two million, two hundred sixty-six thousand, two hundred twenty-seven".