1222231003289 has 2 divisors, whose sum is σ = 1222231003290. Its totient is φ = 1222231003288.

The previous prime is 1222231003277. The next prime is 1222231003321. The reversal of 1222231003289 is 9823001322221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673458216025 + 548772787264 = 820645^2 + 740792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222231003289 - 2²⁴ = 1222214226073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1222231003229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611115501644 + 611115501645.

It is an arithmetic number, because the mean of its divisors is an integer number (611115501645).

Almost surely, 2^{1222231003289} is an apocalyptic number.

It is an amenable number.

1222231003289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222231003289 is an equidigital number, since it uses as much as digits as its factorization.

1222231003289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 1222231003289 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, three thousand, two hundred eighty-nine".