2203606 has 4 divisors (see below), whose sum is σ = 3305412. Its totient is φ = 1101802.

The previous prime is 2203589. The next prime is 2203631. The reversal of 2203606 is 6063022.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550900 + ... + 550903.

It is an arithmetic number, because the mean of its divisors is an integer number (826353).

2^2203606 is an apocalyptic number.

2203606 is a deficient number, since it is larger than the sum of its proper divisors (1101806).

2203606 is a wasteful number, since it uses less digits than its factorization.

2203606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101805.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2203606 is about 1484.4547820665. The cubic root of 2203606 is about 130.1301654833.

Adding to 2203606 its reverse (6063022), we get a palindrome (8266628).

It can be divided in two parts, 2203 and 606, that added together give a square (2809 = 53²).

The spelling of 2203606 in words is "two million, two hundred three thousand, six hundred six".