2202566 has 4 divisors (see below), whose sum is σ = 3303852. Its totient is φ = 1101282.

The previous prime is 2202559. The next prime is 2202583. The reversal of 2202566 is 6652022.

It is a happy number.

2202566 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 Curzon number.

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, 550640 + ... + 550643.

It is an arithmetic number, because the mean of its divisors is an integer number (825963).

2^2202566 is an apocalyptic number.

2202566 is a deficient number, since it is larger than the sum of its proper divisors (1101286).

2202566 is a wasteful number, since it uses less digits than its factorization.

2202566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101285.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2202566 is about 1484.1044437640. The cubic root of 2202566 is about 130.1096904576.

Adding to 2202566 its reverse (6652022), we get a palindrome (8854588).

The spelling of 2202566 in words is "two million, two hundred two thousand, five hundred sixty-six".