2189319 has 8 divisors (see below), whose sum is σ = 3184512. Its totient is φ = 1326840.

The previous prime is 2189309. The next prime is 2189321. The reversal of 2189319 is 9139812.

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

It is not a de Polignac number, because 2189319 - 2⁴ = 2189303 is a prime.

It is a super-2 number, since 2×2189319² = 9586235367522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 66343 = 2189319 / (2 + 1 + 8 + 9 + 3 + 1 + 9).

2189319 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189309) 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, 33139 + ... + 33204.

It is an arithmetic number, because the mean of its divisors is an integer number (398064).

2^2189319 is an apocalyptic number.

2189319 is a deficient number, since it is larger than the sum of its proper divisors (995193).

2189319 is a wasteful number, since it uses less digits than its factorization.

2189319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66357.

The product of its digits is 3888, while the sum is 33.

The square root of 2189319 is about 1479.6347522277. The cubic root of 2189319 is about 129.8483240890.

It can be divided in two parts, 21893 and 19, that added together give a palindrome (21912).

The spelling of 2189319 in words is "two million, one hundred eighty-nine thousand, three hundred nineteen".