122246213 has 2 divisors, whose sum is σ = 122246214. Its totient is φ = 122246212.

The previous prime is 122246177. The next prime is 122246221. The reversal of 122246213 is 312642221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93064609 + 29181604 = 9647^2 + 5402^2 .

It is a cyclic number.

It is not a de Polignac number, because 122246213 - 2⁶ = 122246149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122246233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61123106 + 61123107.

It is an arithmetic number, because the mean of its divisors is an integer number (61123107).

Almost surely, 2^122246213 is an apocalyptic number.

It is an amenable number.

122246213 is a deficient number, since it is larger than the sum of its proper divisors (1).

122246213 is an equidigital number, since it uses as much as digits as its factorization.

122246213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 122246213 is about 11056.5009383620. The cubic root of 122246213 is about 496.3009860753.

Adding to 122246213 its reverse (312642221), we get a palindrome (434888434).

The spelling of 122246213 in words is "one hundred twenty-two million, two hundred forty-six thousand, two hundred thirteen".