2188246 has 4 divisors (see below), whose sum is σ = 3282372. Its totient is φ = 1094122.

The previous prime is 2188237. The next prime is 2188261. The reversal of 2188246 is 6428812.

2188246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547060 + ... + 547063.

It is an arithmetic number, because the mean of its divisors is an integer number (820593).

2^2188246 is an apocalyptic number.

2188246 is a deficient number, since it is larger than the sum of its proper divisors (1094126).

2188246 is a wasteful number, since it uses less digits than its factorization.

2188246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094125.

The product of its digits is 6144, while the sum is 31.

The square root of 2188246 is about 1479.2721183068. The cubic root of 2188246 is about 129.8271074428.

It can be divided in two parts, 218 and 8246, that added together give a square (8464 = 92²).

The spelling of 2188246 in words is "two million, one hundred eighty-eight thousand, two hundred forty-six".