2213453 has 8 divisors (see below), whose sum is σ = 2436096. Its totient is φ = 2011020.

The previous prime is 2213447. The next prime is 2213461. The reversal of 2213453 is 3543122.

It is a happy number.

It is not a de Polignac number, because 2213453 - 2⁶ = 2213389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213413) 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, 500 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (304512).

2^2213453 is an apocalyptic number.

It is an amenable number.

2213453 is a deficient number, since it is larger than the sum of its proper divisors (222643).

2213453 is an equidigital number, since it uses as much as digits as its factorization.

2213453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1674 counting only the distinct ones).

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

The square root of 2213453 is about 1487.7677910212. The cubic root of 2213453 is about 130.3237100333.

Adding to 2213453 its reverse (3543122), we get a palindrome (5756575).

The spelling of 2213453 in words is "two million, two hundred thirteen thousand, four hundred fifty-three".