222104213 has 4 divisors (see below), whose sum is σ = 222619968. Its totient is φ = 221588460.

The previous prime is 222104203. The next prime is 222104227. The reversal of 222104213 is 312401222.

222104213 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 222104213 - 2²⁴ = 205326997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222104191 and 222104200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222104203) 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, 257231 + ... + 258092.

It is an arithmetic number, because the mean of its divisors is an integer number (55654992).

Almost surely, 2^222104213 is an apocalyptic number.

It is an amenable number.

222104213 is a deficient number, since it is larger than the sum of its proper divisors (515755).

222104213 is an equidigital number, since it uses as much as digits as its factorization.

222104213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515754.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222104213 is about 14903.1611747307. The cubic root of 222104213 is about 605.5996267987.

Adding to 222104213 its reverse (312401222), we get a palindrome (534505435).

The spelling of 222104213 in words is "two hundred twenty-two million, one hundred four thousand, two hundred thirteen".