122224213 has 2 divisors, whose sum is σ = 122224214. Its totient is φ = 122224212.

The previous prime is 122224211. The next prime is 122224217. The reversal of 122224213 is 312422221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119968209 + 2256004 = 10953^2 + 1502^2 .

It is an emirp because it is prime and its reverse (312422221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122224213 - 2¹ = 122224211 is a prime.

Together with 122224211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122224211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61112106 + 61112107.

It is an arithmetic number, because the mean of its divisors is an integer number (61112107).

Almost surely, 2^122224213 is an apocalyptic number.

It is an amenable number.

122224213 is a deficient number, since it is larger than the sum of its proper divisors (1).

122224213 is an equidigital number, since it uses as much as digits as its factorization.

122224213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 19.

The square root of 122224213 is about 11055.5060037974. The cubic root of 122224213 is about 496.2712120739.

Adding to 122224213 its reverse (312422221), we get a palindrome (434646434).

The spelling of 122224213 in words is "one hundred twenty-two million, two hundred twenty-four thousand, two hundred thirteen".