22366247 has 2 divisors, whose sum is σ = 22366248. Its totient is φ = 22366246.

The previous prime is 22366217. The next prime is 22366261. The reversal of 22366247 is 74266322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22366247 - 2⁸ = 22365991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22366217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11183123 + 11183124.

It is an arithmetic number, because the mean of its divisors is an integer number (11183124).

Almost surely, 2^22366247 is an apocalyptic number.

22366247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22366247 is an equidigital number, since it uses as much as digits as its factorization.

22366247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 22366247 is about 4729.2966707535. The cubic root of 22366247 is about 281.7502903245.

The spelling of 22366247 in words is "twenty-two million, three hundred sixty-six thousand, two hundred forty-seven".