2228861717 has 2 divisors, whose sum is σ = 2228861718. Its totient is φ = 2228861716.

The previous prime is 2228861587. The next prime is 2228861741. The reversal of 2228861717 is 7171688222.

2228861717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1750083556 + 478778161 = 41834^2 + 21881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228861717 - 2⁸ = 2228861461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228861797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114430858 + 1114430859.

It is an arithmetic number, because the mean of its divisors is an integer number (1114430859).

Almost surely, 2^2228861717 is an apocalyptic number.

It is an amenable number.

2228861717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228861717 is an equidigital number, since it uses as much as digits as its factorization.

2228861717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 44.

The square root of 2228861717 is about 47210.8220326653. The cubic root of 2228861717 is about 1306.2542253566.

The spelling of 2228861717 in words is "two billion, two hundred twenty-eight million, eight hundred sixty-one thousand, seven hundred seventeen".