22241239 has 2 divisors, whose sum is σ = 22241240. Its totient is φ = 22241238.

The previous prime is 22241237. The next prime is 22241249. The reversal of 22241239 is 93214222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22241239 - 2¹ = 22241237 is a prime.

Together with 22241237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22241237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120619 + 11120620.

It is an arithmetic number, because the mean of its divisors is an integer number (11120620).

Almost surely, 2^22241239 is an apocalyptic number.

22241239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241239 is an equidigital number, since it uses as much as digits as its factorization.

22241239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 22241239 is about 4716.0618104516. The cubic root of 22241239 is about 281.2243957597.

The spelling of 22241239 in words is "twenty-two million, two hundred forty-one thousand, two hundred thirty-nine".