122212206 has 32 divisors (see below), whose sum is σ = 280951200. Its totient is φ = 39332160.

The previous prime is 122212193. The next prime is 122212213. The reversal of 122212206 is 602212221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37455 + ... + 40586.

It is an arithmetic number, because the mean of its divisors is an integer number (8779725).

Almost surely, 2^122212206 is an apocalyptic number.

122212206 is an abundant number, since it is smaller than the sum of its proper divisors (158738994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122212206 is a wasteful number, since it uses less digits than its factorization.

122212206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78081 (or 78075 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 122212206 is about 11054.9629578755. The cubic root of 122212206 is about 496.2549607289.

Adding to 122212206 its reverse (602212221), we get a palindrome (724424427).

The spelling of 122212206 in words is "one hundred twenty-two million, two hundred twelve thousand, two hundred six".