2226661009 has 2 divisors, whose sum is σ = 2226661010. Its totient is φ = 2226661008.

The previous prime is 2226660967. The next prime is 2226661051. The reversal of 2226661009 is 9001666222.

It is a balanced prime because it is at equal distance from previous prime (2226660967) and next prime (2226661051).

It can be written as a sum of positive squares in only one way, i.e., 1596801600 + 629859409 = 39960^2 + 25097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2226661009 - 2⁷ = 2226660881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2226661079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113330504 + 1113330505.

It is an arithmetic number, because the mean of its divisors is an integer number (1113330505).

Almost surely, 2^2226661009 is an apocalyptic number.

It is an amenable number.

2226661009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226661009 is an equidigital number, since it uses as much as digits as its factorization.

2226661009 is an evil number, because the sum of its binary digits is even.

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

The square root of 2226661009 is about 47187.5090357607. The cubic root of 2226661009 is about 1305.8241656621.

The spelling of 2226661009 in words is "two billion, two hundred twenty-six million, six hundred sixty-one thousand, nine".