2189582 has 4 divisors (see below), whose sum is σ = 3284376. Its totient is φ = 1094790.

The previous prime is 2189573. The next prime is 2189599. The reversal of 2189582 is 2859812.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547394 + ... + 547397.

It is an arithmetic number, because the mean of its divisors is an integer number (821094).

2^2189582 is an apocalyptic number.

2189582 is a deficient number, since it is larger than the sum of its proper divisors (1094794).

2189582 is a wasteful number, since it uses less digits than its factorization.

2189582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094793.

The product of its digits is 11520, while the sum is 35.

The square root of 2189582 is about 1479.7236228431. The cubic root of 2189582 is about 129.8535233834.

The spelling of 2189582 in words is "two million, one hundred eighty-nine thousand, five hundred eighty-two".