22266443 has 2 divisors, whose sum is σ = 22266444. Its totient is φ = 22266442.

The previous prime is 22266421. The next prime is 22266457. The reversal of 22266443 is 34466222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22266443 - 2²⁴ = 5489227 is a prime.

It is not a weakly prime, because it can be changed into another prime (22266143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11133221 + 11133222.

It is an arithmetic number, because the mean of its divisors is an integer number (11133222).

Almost surely, 2^22266443 is an apocalyptic number.

22266443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22266443 is an equidigital number, since it uses as much as digits as its factorization.

22266443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 22266443 is about 4718.7331986456. The cubic root of 22266443 is about 281.3305844476.

The spelling of 22266443 in words is "twenty-two million, two hundred sixty-six thousand, four hundred forty-three".