222134213 has 4 divisors (see below), whose sum is σ = 253867680. Its totient is φ = 190400748.

The previous prime is 222134179. The next prime is 222134293. The reversal of 222134213 is 312431222.

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 222134213 - 2⁸ = 222133957 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 (222134293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15866723 + ... + 15866736.

It is an arithmetic number, because the mean of its divisors is an integer number (63466920).

Almost surely, 2^222134213 is an apocalyptic number.

It is an amenable number.

222134213 is a deficient number, since it is larger than the sum of its proper divisors (31733467).

222134213 is an equidigital number, since it uses as much as digits as its factorization.

222134213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31733466.

The product of its digits is 576, while the sum is 20.

The square root of 222134213 is about 14904.1676386171. The cubic root of 222134213 is about 605.6268920340.

Adding to 222134213 its reverse (312431222), we get a palindrome (534565435).

The spelling of 222134213 in words is "two hundred twenty-two million, one hundred thirty-four thousand, two hundred thirteen".