2822287 has 8 divisors (see below), whose sum is σ = 3090080. Its totient is φ = 2561760.

The previous prime is 2822269. The next prime is 2822297. The reversal of 2822287 is 7822282.

It is a happy number.

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 2822287 - 2⁷ = 2822159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822207) 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, 987 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (386260).

2^2822287 is an apocalyptic number.

2822287 is a deficient number, since it is larger than the sum of its proper divisors (267793).

2822287 is a wasteful number, since it uses less digits than its factorization.

2822287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633.

The product of its digits is 7168, while the sum is 31.

The square root of 2822287 is about 1679.9663687110. The cubic root of 2822287 is about 141.3189466834.

The spelling of 2822287 in words is "two million, eight hundred twenty-two thousand, two hundred eighty-seven".