2268825691 has 4 divisors (see below), whose sum is σ = 2475082584. Its totient is φ = 2062568800.

The previous prime is 2268825677. The next prime is 2268825697. The reversal of 2268825691 is 1965288622.

It is a happy number.

2268825691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2268825691 - 2¹¹ = 2268823643 is a prime.

It is a super-3 number, since 3×2268825691³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2268825697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103128430 + ... + 103128451.

It is an arithmetic number, because the mean of its divisors is an integer number (618770646).

Almost surely, 2^2268825691 is an apocalyptic number.

2268825691 is a deficient number, since it is larger than the sum of its proper divisors (206256893).

2268825691 is a wasteful number, since it uses less digits than its factorization.

2268825691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206256892.

The product of its digits is 829440, while the sum is 49.

The square root of 2268825691 is about 47632.1917509577. The cubic root of 2268825691 is about 1314.0151639591.

The spelling of 2268825691 in words is "two billion, two hundred sixty-eight million, eight hundred twenty-five thousand, six hundred ninety-one".