2266729919 has 4 divisors (see below), whose sum is σ = 2266850280. Its totient is φ = 2266609560.

The previous prime is 2266729903. The next prime is 2266729921. The reversal of 2266729919 is 9199276622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9199276622 = 2 ⋅4599638311.

It is a cyclic number.

It is not a de Polignac number, because 2266729919 - 2⁴ = 2266729903 is a prime.

It is a super-2 number, since 2×2266729919² = 10276129051379493122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266729979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25124 + ... + 71865.

It is an arithmetic number, because the mean of its divisors is an integer number (566712570).

Almost surely, 2^2266729919 is an apocalyptic number.

2266729919 is a deficient number, since it is larger than the sum of its proper divisors (120361).

2266729919 is an equidigital number, since it uses as much as digits as its factorization.

2266729919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120360.

The product of its digits is 1469664, while the sum is 53.

The square root of 2266729919 is about 47610.1871346879. The cubic root of 2266729919 is about 1313.6104429065.

The spelling of 2266729919 in words is "two billion, two hundred sixty-six million, seven hundred twenty-nine thousand, nine hundred nineteen".