2044223665157 has 2 divisors, whose sum is σ = 2044223665158. Its totient is φ = 2044223665156.

The previous prime is 2044223665109. The next prime is 2044223665163. The reversal of 2044223665157 is 7515663224402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1931360590756 + 112863074401 = 1389734^2 + 335951^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044223665157 - 2¹⁴ = 2044223648773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044223265157) 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, 1022111832578 + 1022111832579.

It is an arithmetic number, because the mean of its divisors is an integer number (1022111832579).

Almost surely, 2^{2044223665157} is an apocalyptic number.

It is an amenable number.

2044223665157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044223665157 is an equidigital number, since it uses as much as digits as its factorization.

2044223665157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 47.

Adding to 2044223665157 its reverse (7515663224402), we get a palindrome (9559886889559).

The spelling of 2044223665157 in words is "two trillion, forty-four billion, two hundred twenty-three million, six hundred sixty-five thousand, one hundred fifty-seven".