122206133 has 4 divisors (see below), whose sum is σ = 139664160. Its totient is φ = 104748108.

The previous prime is 122206109. The next prime is 122206151. The reversal of 122206133 is 331602221.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 331602221 = 17 ⋅19506013.

It is a cyclic number.

It is not a de Polignac number, because 122206133 - 2²⁰ = 121157557 is a prime.

It is a super-3 number, since 3×122206133³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122206163) 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, 8729003 + ... + 8729016.

It is an arithmetic number, because the mean of its divisors is an integer number (34916040).

Almost surely, 2^122206133 is an apocalyptic number.

It is an amenable number.

122206133 is a deficient number, since it is larger than the sum of its proper divisors (17458027).

122206133 is an equidigital number, since it uses as much as digits as its factorization.

122206133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17458026.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 122206133 is about 11054.6882814487. The cubic root of 122206133 is about 496.2467405835.

Adding to 122206133 its reverse (331602221), we get a palindrome (453808354).

The spelling of 122206133 in words is "one hundred twenty-two million, two hundred six thousand, one hundred thirty-three".