2220226909 has 2 divisors, whose sum is σ = 2220226910. Its totient is φ = 2220226908.

The previous prime is 2220226787. The next prime is 2220226919. The reversal of 2220226909 is 9096220222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2181824100 + 38402809 = 46710^2 + 6197^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220226909 - 2¹¹ = 2220224861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220226919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110113454 + 1110113455.

It is an arithmetic number, because the mean of its divisors is an integer number (1110113455).

Almost surely, 2^2220226909 is an apocalyptic number.

It is an amenable number.

2220226909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220226909 is an equidigital number, since it uses as much as digits as its factorization.

2220226909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2220226909 is about 47119.2838336917. The cubic root of 2220226909 is about 1304.5651940767.

The spelling of 2220226909 in words is "two billion, two hundred twenty million, two hundred twenty-six thousand, nine hundred nine".