2255213 has 4 divisors (see below), whose sum is σ = 2283840. Its totient is φ = 2226588.

The previous prime is 2255191. The next prime is 2255233. The reversal of 2255213 is 3125522.

2255213 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2255213 - 2²⁰ = 1206637 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 (2255233) 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, 14195 + ... + 14352.

It is an arithmetic number, because the mean of its divisors is an integer number (570960).

2^2255213 is an apocalyptic number.

It is an amenable number.

2255213 is a deficient number, since it is larger than the sum of its proper divisors (28627).

2255213 is an equidigital number, since it uses as much as digits as its factorization.

2255213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28626.

The product of its digits is 600, while the sum is 20.

The square root of 2255213 is about 1501.7366613358. The cubic root of 2255213 is about 131.1381910985.

The spelling of 2255213 in words is "two million, two hundred fifty-five thousand, two hundred thirteen".