1222304089 has 2 divisors, whose sum is σ = 1222304090. Its totient is φ = 1222304088.

The previous prime is 1222304059. The next prime is 1222304101. The reversal of 1222304089 is 9804032221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857494089 + 364810000 = 29283^2 + 19100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222304089 - 2²⁵ = 1188749657 is a prime.

It is a super-2 number, since 2×1222304089² = 2988054571972239842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222304089.

It is not a weakly prime, because it can be changed into another prime (1222304059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611152044 + 611152045.

It is an arithmetic number, because the mean of its divisors is an integer number (611152045).

Almost surely, 2^1222304089 is an apocalyptic number.

It is an amenable number.

1222304089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222304089 is an equidigital number, since it uses as much as digits as its factorization.

1222304089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1222304089 is about 34961.4657730479. The cubic root of 1222304089 is about 1069.2019813293.

The spelling of 1222304089 in words is "one billion, two hundred twenty-two million, three hundred four thousand, eighty-nine".