122217413 has 2 divisors, whose sum is σ = 122217414. Its totient is φ = 122217412.

The previous prime is 122217391. The next prime is 122217427. The reversal of 122217413 is 314712221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101949409 + 20268004 = 10097^2 + 4502^2 .

It is a cyclic number.

It is not a de Polignac number, because 122217413 - 2⁶ = 122217349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122217463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61108706 + 61108707.

It is an arithmetic number, because the mean of its divisors is an integer number (61108707).

Almost surely, 2^122217413 is an apocalyptic number.

It is an amenable number.

122217413 is a deficient number, since it is larger than the sum of its proper divisors (1).

122217413 is an equidigital number, since it uses as much as digits as its factorization.

122217413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 122217413 is about 11055.1984604529. The cubic root of 122217413 is about 496.2620084779.

Adding to 122217413 its reverse (314712221), we get a palindrome (436929634).

The spelling of 122217413 in words is "one hundred twenty-two million, two hundred seventeen thousand, four hundred thirteen".