222245449 has 2 divisors, whose sum is σ = 222245450. Its totient is φ = 222245448.

The previous prime is 222245423. The next prime is 222245459. The reversal of 222245449 is 944542222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220374025 + 1871424 = 14845^2 + 1368^2 .

It is a cyclic number.

It is not a de Polignac number, because 222245449 - 2⁷ = 222245321 is a prime.

It is not a weakly prime, because it can be changed into another prime (222245459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111122724 + 111122725.

It is an arithmetic number, because the mean of its divisors is an integer number (111122725).

Almost surely, 2^222245449 is an apocalyptic number.

It is an amenable number.

222245449 is a deficient number, since it is larger than the sum of its proper divisors (1).

222245449 is an equidigital number, since it uses as much as digits as its factorization.

222245449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 34.

The square root of 222245449 is about 14907.8988794531. The cubic root of 222245449 is about 605.7279664703.

The spelling of 222245449 in words is "two hundred twenty-two million, two hundred forty-five thousand, four hundred forty-nine".