2213345 has 8 divisors (see below), whose sum is σ = 2696064. Its totient is φ = 1743984.

The previous prime is 2213327. The next prime is 2213347. The reversal of 2213345 is 5433122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2213345 - 2¹⁰ = 2212321 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (337008).

2^2213345 is an apocalyptic number.

It is an amenable number.

2213345 is a deficient number, since it is larger than the sum of its proper divisors (482719).

2213345 is an equidigital number, since it uses as much as digits as its factorization.

2213345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679.

The product of its digits is 720, while the sum is 20.

The square root of 2213345 is about 1487.7314945917. The cubic root of 2213345 is about 130.3215903904.

Adding to 2213345 its reverse (5433122), we get a palindrome (7646467).

The spelling of 2213345 in words is "two million, two hundred thirteen thousand, three hundred forty-five".