1222301009 has 2 divisors, whose sum is σ = 1222301010. Its totient is φ = 1222301008.

The previous prime is 1222300973. The next prime is 1222301021. The reversal of 1222301009 is 9001032221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1059177025 + 163123984 = 32545^2 + 12772^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222301009 - 2¹² = 1222296913 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 (1222301099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611150504 + 611150505.

It is an arithmetic number, because the mean of its divisors is an integer number (611150505).

Almost surely, 2^1222301009 is an apocalyptic number.

It is an amenable number.

1222301009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222301009 is an equidigital number, since it uses as much as digits as its factorization.

1222301009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1222301009 is about 34961.4217245237. The cubic root of 1222301009 is about 1069.2010832590.

The spelling of 1222301009 in words is "one billion, two hundred twenty-two million, three hundred one thousand, nine".