2213207 has 4 divisors (see below), whose sum is σ = 2228016. Its totient is φ = 2198400.

The previous prime is 2213203. The next prime is 2213209. The reversal of 2213207 is 7023122.

2213207 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 cyclic number.

It is not a de Polignac number, because 2213207 - 2² = 2213203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213201) 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 3 ways as a sum of consecutive naturals, for example, 7178 + ... + 7479.

It is an arithmetic number, because the mean of its divisors is an integer number (557004).

2^2213207 is an apocalyptic number.

2213207 is a deficient number, since it is larger than the sum of its proper divisors (14809).

2213207 is a wasteful number, since it uses less digits than its factorization.

2213207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14808.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2213207 is about 1487.6851145320. The cubic root of 2213207 is about 130.3188818575.

Adding to 2213207 its reverse (7023122), we get a palindrome (9236329).

The spelling of 2213207 in words is "two million, two hundred thirteen thousand, two hundred seven".