2199239 has 8 divisors (see below), whose sum is σ = 2661408. Its totient is φ = 1774080.

The previous prime is 2199229. The next prime is 2199247. The reversal of 2199239 is 9329912.

2199239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-2199239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2199199 and 2199208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9122 + ... + 9359.

It is an arithmetic number, because the mean of its divisors is an integer number (332676).

2^2199239 is an apocalyptic number.

2199239 is a deficient number, since it is larger than the sum of its proper divisors (462169).

2199239 is a wasteful number, since it uses less digits than its factorization.

2199239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18505.

The product of its digits is 8748, while the sum is 35.

The square root of 2199239 is about 1482.9831421833. The cubic root of 2199239 is about 130.0441467422.

The spelling of 2199239 in words is "two million, one hundred ninety-nine thousand, two hundred thirty-nine".