2266194427 has 4 divisors (see below), whose sum is σ = 2589936496. Its totient is φ = 1942452360.

The previous prime is 2266194419. The next prime is 2266194443. The reversal of 2266194427 is 7244916622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2266194427 - 2³ = 2266194419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2266104427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161871024 + ... + 161871037.

It is an arithmetic number, because the mean of its divisors is an integer number (647484124).

Almost surely, 2^2266194427 is an apocalyptic number.

2266194427 is a deficient number, since it is larger than the sum of its proper divisors (323742069).

2266194427 is an equidigital number, since it uses as much as digits as its factorization.

2266194427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323742068.

The product of its digits is 290304, while the sum is 43.

The square root of 2266194427 is about 47604.5630901072. The cubic root of 2266194427 is about 1313.5069923694.

The spelling of 2266194427 in words is "two billion, two hundred sixty-six million, one hundred ninety-four thousand, four hundred twenty-seven".