22444444112257 has 2 divisors, whose sum is σ = 22444444112258. Its totient is φ = 22444444112256.

The previous prime is 22444444112201. The next prime is 22444444112267. The reversal of 22444444112257 is 75221144444422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21538147728241 + 906296384016 = 4640921^2 + 951996^2 .

It is a cyclic number.

It is not a de Polignac number, because 22444444112257 - 2³⁵ = 22410084373889 is a prime.

It is not a weakly prime, because it can be changed into another prime (22444444112267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222222056128 + 11222222056129.

It is an arithmetic number, because the mean of its divisors is an integer number (11222222056129).

Almost surely, 2^{22444444112257} is an apocalyptic number.

It is an amenable number.

22444444112257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22444444112257 is an equidigital number, since it uses as much as digits as its factorization.

22444444112257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2293760, while the sum is 46.

Adding to 22444444112257 its reverse (75221144444422), we get a palindrome (97665588556679).

The spelling of 22444444112257 in words is "twenty-two trillion, four hundred forty-four billion, four hundred forty-four million, one hundred twelve thousand, two hundred fifty-seven".