2288869 has 8 divisors (see below), whose sum is σ = 2509920. Its totient is φ = 2070000.

The previous prime is 2288861. The next prime is 2288879. The reversal of 2288869 is 9688822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2288869 - 2³ = 2288861 is a prime.

It is a super-2 number, since 2×2288869² = 10477842598322, which contains 22 as substring.

It is a Duffinian number.

2288869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2347 + ... + 3175.

It is an arithmetic number, because the mean of its divisors is an integer number (313740).

2^2288869 is an apocalyptic number.

It is an amenable number.

2288869 is a deficient number, since it is larger than the sum of its proper divisors (221051).

2288869 is a wasteful number, since it uses less digits than its factorization.

2288869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 110592, while the sum is 43.

The square root of 2288869 is about 1512.9008559717. The cubic root of 2288869 is about 131.7873258805.

The spelling of 2288869 in words is "two million, two hundred eighty-eight thousand, eight hundred sixty-nine".