122204213 has 4 divisors (see below), whose sum is σ = 123083520. Its totient is φ = 121324908.

The previous prime is 122204191. The next prime is 122204227. The reversal of 122204213 is 312402221.

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 122204213 - 2¹⁰ = 122203189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122204191 and 122204200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122204233) 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, 439445 + ... + 439722.

It is an arithmetic number, because the mean of its divisors is an integer number (30770880).

Almost surely, 2^122204213 is an apocalyptic number.

It is an amenable number.

122204213 is a deficient number, since it is larger than the sum of its proper divisors (879307).

122204213 is an equidigital number, since it uses as much as digits as its factorization.

122204213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879306.

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

The square root of 122204213 is about 11054.6014401244. The cubic root of 122204213 is about 496.2441416994.

Adding to 122204213 its reverse (312402221), we get a palindrome (434606434).

The spelling of 122204213 in words is "one hundred twenty-two million, two hundred four thousand, two hundred thirteen".