1394222898269 has 2 divisors, whose sum is σ = 1394222898270. Its totient is φ = 1394222898268.

The previous prime is 1394222898179. The next prime is 1394222898311. The reversal of 1394222898269 is 9628982224931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329955578169 + 64267320100 = 1153237^2 + 253510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1394222898269 - 2¹² = 1394222894173 is a prime.

It is a super-2 number, since 2×1394222898269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1394222892269) 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, 697111449134 + 697111449135.

It is an arithmetic number, because the mean of its divisors is an integer number (697111449135).

Almost surely, 2^{1394222898269} is an apocalyptic number.

It is an amenable number.

1394222898269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394222898269 is an equidigital number, since it uses as much as digits as its factorization.

1394222898269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712, while the sum is 65.

The spelling of 1394222898269 in words is "one trillion, three hundred ninety-four billion, two hundred twenty-two million, eight hundred ninety-eight thousand, two hundred sixty-nine".