244222057 has 2 divisors, whose sum is σ = 244222058. Its totient is φ = 244222056.

The previous prime is 244222019. The next prime is 244222109. The reversal of 244222057 is 750222442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133888041 + 110334016 = 11571^2 + 10504^2 .

It is a cyclic number.

It is not a de Polignac number, because 244222057 - 2²⁷ = 110004329 is a prime.

It is a super-2 number, since 2×244222057² = 119288826250622498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244225057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122111028 + 122111029.

It is an arithmetic number, because the mean of its divisors is an integer number (122111029).

Almost surely, 2^244222057 is an apocalyptic number.

It is an amenable number.

244222057 is a deficient number, since it is larger than the sum of its proper divisors (1).

244222057 is an equidigital number, since it uses as much as digits as its factorization.

244222057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 244222057 is about 15627.6056067460. The cubic root of 244222057 is about 625.0694809156.

Adding to 244222057 its reverse (750222442), we get a palindrome (994444499).

The spelling of 244222057 in words is "two hundred forty-four million, two hundred twenty-two thousand, fifty-seven".