22247759 has 2 divisors, whose sum is σ = 22247760. Its totient is φ = 22247758.

The previous prime is 22247741. The next prime is 22247773. The reversal of 22247759 is 95774222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22247759 - 2²⁰ = 21199183 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 (22247059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11123879 + 11123880.

It is an arithmetic number, because the mean of its divisors is an integer number (11123880).

Almost surely, 2^22247759 is an apocalyptic number.

22247759 is a deficient number, since it is larger than the sum of its proper divisors (1).

22247759 is an equidigital number, since it uses as much as digits as its factorization.

22247759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 22247759 is about 4716.7530145217. The cubic root of 22247759 is about 281.2518733044.

The spelling of 22247759 in words is "twenty-two million, two hundred forty-seven thousand, seven hundred fifty-nine".