22266407 has 2 divisors, whose sum is σ = 22266408. Its totient is φ = 22266406.

The previous prime is 22266383. The next prime is 22266421. The reversal of 22266407 is 70466222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22266407 - 2⁸ = 22266151 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22266407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22266457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11133203 + 11133204.

It is an arithmetic number, because the mean of its divisors is an integer number (11133204).

Almost surely, 2^22266407 is an apocalyptic number.

22266407 is a deficient number, since it is larger than the sum of its proper divisors (1).

22266407 is an equidigital number, since it uses as much as digits as its factorization.

22266407 is an evil number, because the sum of its binary digits is even.

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

The square root of 22266407 is about 4718.7293840609. The cubic root of 22266407 is about 281.3304328307.

The spelling of 22266407 in words is "twenty-two million, two hundred sixty-six thousand, four hundred seven".