5666219 has 8 divisors (see below), whose sum is σ = 6461280. Its totient is φ = 4922496.

The previous prime is 5666209. The next prime is 5666233. The reversal of 5666219 is 9126665.

5666219 = 362² + 363² + ... + 400².

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 5666219 - 2⁴ = 5666203 is a prime.

It is a super-2 number, since 2×5666219² = 64212075511922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5666209) 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, 12599 + ... + 13040.

It is an arithmetic number, because the mean of its divisors is an integer number (807660).

Almost surely, 2^5666219 is an apocalyptic number.

5666219 is a deficient number, since it is larger than the sum of its proper divisors (795061).

5666219 is a wasteful number, since it uses less digits than its factorization.

5666219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25669.

The product of its digits is 19440, while the sum is 35.

The square root of 5666219 is about 2380.3821121828. The cubic root of 5666219 is about 178.2780131397.

It can be divided in two parts, 5666 and 219, that added together give a palindrome (5885).

The spelling of 5666219 in words is "five million, six hundred sixty-six thousand, two hundred nineteen".