2222249009 has 2 divisors, whose sum is σ = 2222249010. Its totient is φ = 2222249008.

The previous prime is 2222248979. The next prime is 2222249011. The reversal of 2222249009 is 9009422222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2206368784 + 15880225 = 46972^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222249009 - 2¹⁶ = 2222183473 is a prime.

Together with 2222249011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2222249059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111124504 + 1111124505.

It is an arithmetic number, because the mean of its divisors is an integer number (1111124505).

Almost surely, 2^2222249009 is an apocalyptic number.

It is an amenable number.

2222249009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222249009 is an equidigital number, since it uses as much as digits as its factorization.

2222249009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2222249009 is about 47140.7361949302. The cubic root of 2222249009 is about 1304.9611237030.

The spelling of 2222249009 in words is "two billion, two hundred twenty-two million, two hundred forty-nine thousand, nine".