2272904009 has 2 divisors, whose sum is σ = 2272904010. Its totient is φ = 2272904008.

The previous prime is 2272903979. The next prime is 2272904041. The reversal of 2272904009 is 9004092722.

It is a happy number.

2272904009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1786921984 + 485982025 = 42272^2 + 22045^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272904009 - 2¹⁶ = 2272838473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2272904009.

It is not a weakly prime, because it can be changed into another prime (2272904059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136452004 + 1136452005.

It is an arithmetic number, because the mean of its divisors is an integer number (1136452005).

Almost surely, 2^2272904009 is an apocalyptic number.

It is an amenable number.

2272904009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272904009 is an equidigital number, since it uses as much as digits as its factorization.

2272904009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2272904009 is about 47674.9830519110. The cubic root of 2272904009 is about 1314.8020268020.

The spelling of 2272904009 in words is "two billion, two hundred seventy-two million, nine hundred four thousand, nine".