2866219 has 4 divisors (see below), whose sum is σ = 2879296. Its totient is φ = 2853144.

The previous prime is 2866211. The next prime is 2866223. The reversal of 2866219 is 9126682.

It is a happy number.

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 2866219 - 2³ = 2866211 is a prime.

It is a super-2 number, since 2×2866219² = 16430422711922, which contains 22 as substring.

It is a Duffinian number.

2866219 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2866211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6204 + ... + 6649.

It is an arithmetic number, because the mean of its divisors is an integer number (719824).

2^2866219 is an apocalyptic number.

2866219 is a deficient number, since it is larger than the sum of its proper divisors (13077).

2866219 is a wasteful number, since it uses less digits than its factorization.

2866219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13076.

The product of its digits is 10368, while the sum is 34.

The square root of 2866219 is about 1692.9911399650. The cubic root of 2866219 is about 142.0484361645.

The spelling of 2866219 in words is "two million, eight hundred sixty-six thousand, two hundred nineteen".