245222449 has 2 divisors, whose sum is σ = 245222450. Its totient is φ = 245222448.

The previous prime is 245222443. The next prime is 245222459. The reversal of 245222449 is 944222542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159567424 + 85655025 = 12632^2 + 9255^2 .

It is a cyclic number.

It is not a de Polignac number, because 245222449 - 2³ = 245222441 is a prime.

It is not a weakly prime, because it can be changed into another prime (245222441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122611224 + 122611225.

It is an arithmetic number, because the mean of its divisors is an integer number (122611225).

Almost surely, 2^245222449 is an apocalyptic number.

It is an amenable number.

245222449 is a deficient number, since it is larger than the sum of its proper divisors (1).

245222449 is an equidigital number, since it uses as much as digits as its factorization.

245222449 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 245222449 is about 15659.5801029274. The cubic root of 245222449 is about 625.9217962782.

The spelling of 245222449 in words is "two hundred forty-five million, two hundred twenty-two thousand, four hundred forty-nine".