2213289 has 12 divisors (see below), whose sum is σ = 3443076. Its totient is φ = 1361952.

The previous prime is 2213279. The next prime is 2213293. The reversal of 2213289 is 9823122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 1172889 = 1020^2 + 1083^2 .

It is not a de Polignac number, because 2213289 - 2⁸ = 2213033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2213209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9342 + ... + 9575.

It is an arithmetic number, because the mean of its divisors is an integer number (286923).

2^2213289 is an apocalyptic number.

It is an amenable number.

2213289 is a deficient number, since it is larger than the sum of its proper divisors (1229787).

2213289 is a wasteful number, since it uses less digits than its factorization.

2213289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18936 (or 18933 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2213289 is about 1487.7126738722. The cubic root of 2213289 is about 130.3204912892.

The spelling of 2213289 in words is "two million, two hundred thirteen thousand, two hundred eighty-nine".