4044222111257 has 2 divisors, whose sum is σ = 4044222111258. Its totient is φ = 4044222111256.

The previous prime is 4044222111247. The next prime is 4044222111271. The reversal of 4044222111257 is 7521112224404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3753689253136 + 290532858121 = 1937444^2 + 539011^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044222111257 - 2²² = 4044217916953 is a prime.

It is a super-2 number, since 2×4044222111257² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4044222111227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022111055628 + 2022111055629.

It is an arithmetic number, because the mean of its divisors is an integer number (2022111055629).

Almost surely, 2^{4044222111257} is an apocalyptic number.

It is an amenable number.

4044222111257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044222111257 is an equidigital number, since it uses as much as digits as its factorization.

4044222111257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 4044222111257 in words is "four trillion, forty-four billion, two hundred twenty-two million, one hundred eleven thousand, two hundred fifty-seven".