22446227 has 2 divisors, whose sum is σ = 22446228. Its totient is φ = 22446226.

The previous prime is 22446223. The next prime is 22446233. The reversal of 22446227 is 72264422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22446227 - 2² = 22446223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22446227.

It is not a weakly prime, because it can be changed into another prime (22446223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11223113 + 11223114.

It is an arithmetic number, because the mean of its divisors is an integer number (11223114).

Almost surely, 2^22446227 is an apocalyptic number.

22446227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22446227 is an equidigital number, since it uses as much as digits as its factorization.

22446227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 29.

The square root of 22446227 is about 4737.7449277056. The cubic root of 22446227 is about 282.0857300168.

The spelling of 22446227 in words is "twenty-two million, four hundred forty-six thousand, two hundred twenty-seven".