2225213 has 4 divisors (see below), whose sum is σ = 2228928. Its totient is φ = 2221500.

The previous prime is 2225203. The next prime is 2225221. The reversal of 2225213 is 3125222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3125222 = 2 ⋅1562611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2225213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2225191 and 2225200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (557232).

2^2225213 is an apocalyptic number.

It is an amenable number.

2225213 is a deficient number, since it is larger than the sum of its proper divisors (3715).

2225213 is an equidigital number, since it uses as much as digits as its factorization.

2225213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714.

The product of its digits is 240, while the sum is 17.

The square root of 2225213 is about 1491.7147850712. The cubic root of 2225213 is about 130.5541042912.

Subtracting 2225213 from its reverse (3125222), we obtain a palindrome (900009).

The spelling of 2225213 in words is "two million, two hundred twenty-five thousand, two hundred thirteen".