2244421345057 has 2 divisors, whose sum is σ = 2244421345058. Its totient is φ = 2244421345056.

The previous prime is 2244421345039. The next prime is 2244421345069. The reversal of 2244421345057 is 7505431244422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1132417350801 + 1112003994256 = 1064151^2 + 1054516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244421345057 - 2¹¹ = 2244421343009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2244421345157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122210672528 + 1122210672529.

It is an arithmetic number, because the mean of its divisors is an integer number (1122210672529).

Almost surely, 2^{2244421345057} is an apocalyptic number.

It is an amenable number.

2244421345057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244421345057 is an equidigital number, since it uses as much as digits as its factorization.

2244421345057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 43.

Adding to 2244421345057 its reverse (7505431244422), we get a palindrome (9749852589479).

The spelling of 2244421345057 in words is "two trillion, two hundred forty-four billion, four hundred twenty-one million, three hundred forty-five thousand, fifty-seven".