22246667 has 2 divisors, whose sum is σ = 22246668. Its totient is φ = 22246666.

The previous prime is 22246621. The next prime is 22246669. The reversal of 22246667 is 76664222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22246667 is a prime.

Together with 22246669, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (22246669) 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 as a sum of consecutive naturals, namely, 11123333 + 11123334.

It is an arithmetic number, because the mean of its divisors is an integer number (11123334).

Almost surely, 2^22246667 is an apocalyptic number.

22246667 is a deficient number, since it is larger than the sum of its proper divisors (1).

22246667 is an equidigital number, since it uses as much as digits as its factorization.

22246667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 22246667 is about 4716.6372555031. The cubic root of 22246667 is about 281.2472716114.

The spelling of 22246667 in words is "twenty-two million, two hundred forty-six thousand, six hundred sixty-seven".