2202444457 has 2 divisors, whose sum is σ = 2202444458. Its totient is φ = 2202444456.

The previous prime is 2202444389. The next prime is 2202444473. The reversal of 2202444457 is 7544442022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1857265216 + 345179241 = 43096^2 + 18579^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202444457 - 2¹¹ = 2202442409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2202444857) 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, 1101222228 + 1101222229.

It is an arithmetic number, because the mean of its divisors is an integer number (1101222229).

Almost surely, 2^2202444457 is an apocalyptic number.

It is an amenable number.

2202444457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202444457 is an equidigital number, since it uses as much as digits as its factorization.

2202444457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 34.

The square root of 2202444457 is about 46930.2083630576. The cubic root of 2202444457 is about 1301.0729715621.

Adding to 2202444457 its reverse (7544442022), we get a palindrome (9746886479).

The spelling of 2202444457 in words is "two billion, two hundred two million, four hundred forty-four thousand, four hundred fifty-seven".