122216413 has 8 divisors (see below), whose sum is σ = 134430336. Its totient is φ = 111104620.

The previous prime is 122216407. The next prime is 122216431. The reversal of 122216413 is 314612221.

It is not a de Polignac number, because 122216413 - 2⁹ = 122215901 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 (122216443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44581 + ... + 47242.

It is an arithmetic number, because the mean of its divisors is an integer number (16803792).

Almost surely, 2^122216413 is an apocalyptic number.

It is an amenable number.

122216413 is a deficient number, since it is larger than the sum of its proper divisors (12213923).

122216413 is an frugal number, since it uses more digits than its factorization.

122216413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91856 (or 91834 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 122216413 is about 11055.1532327689. The cubic root of 122216413 is about 496.2606549792.

Adding to 122216413 its reverse (314612221), we get a palindrome (436828634).

The spelling of 122216413 in words is "one hundred twenty-two million, two hundred sixteen thousand, four hundred thirteen".