422222222249 has 2 divisors, whose sum is σ = 422222222250. Its totient is φ = 422222222248.

The previous prime is 422222222197. The next prime is 422222222251. The reversal of 422222222249 is 942222222224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333615984025 + 88606238224 = 577595^2 + 297668^2 .

It is a cyclic number.

It is not a de Polignac number, because 422222222249 - 2²⁴ = 422205445033 is a prime.

Together with 422222222251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422222122249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211111111124 + 211111111125.

It is an arithmetic number, because the mean of its divisors is an integer number (211111111125).

Almost surely, 2^422222222249 is an apocalyptic number.

It is an amenable number.

422222222249 is a deficient number, since it is larger than the sum of its proper divisors (1).

422222222249 is an equidigital number, since it uses as much as digits as its factorization.

422222222249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 35.

The spelling of 422222222249 in words is "four hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred forty-nine".