225055213 has 4 divisors (see below), whose sum is σ = 225439200. Its totient is φ = 224671228.

The previous prime is 225055183. The next prime is 225055217. The reversal of 225055213 is 312550522.

It is a happy number.

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 225055213 - 2¹³ = 225047021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225055217) 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, 191113 + ... + 192286.

It is an arithmetic number, because the mean of its divisors is an integer number (56359800).

Almost surely, 2^225055213 is an apocalyptic number.

It is an amenable number.

225055213 is a deficient number, since it is larger than the sum of its proper divisors (383987).

225055213 is an equidigital number, since it uses as much as digits as its factorization.

225055213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383986.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 225055213 is about 15001.8403204407. The cubic root of 225055213 is about 608.2699460986.

The spelling of 225055213 in words is "two hundred twenty-five million, fifty-five thousand, two hundred thirteen".