2228784109 has 2 divisors, whose sum is σ = 2228784110. Its totient is φ = 2228784108.

The previous prime is 2228784079. The next prime is 2228784139. The reversal of 2228784109 is 9014878222.

2228784109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2228784079) and next prime (2228784139).

It can be written as a sum of positive squares in only one way, i.e., 2228784100 + 9 = 47210^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228784109 - 2¹⁵ = 2228751341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228784139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114392054 + 1114392055.

It is an arithmetic number, because the mean of its divisors is an integer number (1114392055).

Almost surely, 2^2228784109 is an apocalyptic number.

It is an amenable number.

2228784109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228784109 is an equidigital number, since it uses as much as digits as its factorization.

2228784109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 2228784109 is about 47210.0000953188. Note that the first 4 decimals coincide. The cubic root of 2228784109 is about 1306.2390641118.

The spelling of 2228784109 in words is "two billion, two hundred twenty-eight million, seven hundred eighty-four thousand, one hundred nine".