2268388819 has 2 divisors, whose sum is σ = 2268388820. Its totient is φ = 2268388818.

The previous prime is 2268388813. The next prime is 2268388831. The reversal of 2268388819 is 9188838622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2268388819 - 2¹³ = 2268380627 is a prime.

It is a super-2 number, since 2×2268388819² = 10291175668328429522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2268388819.

It is not a weakly prime, because it can be changed into another prime (2268388813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134194409 + 1134194410.

It is an arithmetic number, because the mean of its divisors is an integer number (1134194410).

Almost surely, 2^2268388819 is an apocalyptic number.

2268388819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268388819 is an equidigital number, since it uses as much as digits as its factorization.

2268388819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 55.

The square root of 2268388819 is about 47627.6056400067. The cubic root of 2268388819 is about 1313.9308188161.

The spelling of 2268388819 in words is "two billion, two hundred sixty-eight million, three hundred eighty-eight thousand, eight hundred nineteen".