422222239 has 2 divisors, whose sum is σ = 422222240. Its totient is φ = 422222238.

The previous prime is 422222219. The next prime is 422222257. The reversal of 422222239 is 932222224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422222239 - 2⁷ = 422222111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422222209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211111119 + 211111120.

It is an arithmetic number, because the mean of its divisors is an integer number (211111120).

Almost surely, 2^422222239 is an apocalyptic number.

422222239 is a deficient number, since it is larger than the sum of its proper divisors (1).

422222239 is an equidigital number, since it uses as much as digits as its factorization.

422222239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 422222239 is about 20548.0470848205. The cubic root of 422222239 is about 750.2057148293.

The spelling of 422222239 in words is "four hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-nine".