122188228 has 12 divisors (see below), whose sum is σ = 215368720. Its totient is φ = 60654312.

The previous prime is 122188219. The next prime is 122188247. The reversal of 122188228 is 822881221.

It is a junction number, because it is equal to n+sod(n) for n = 122188193 and 122188202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109326 + ... + 110437.

Almost surely, 2^122188228 is an apocalyptic number.

It is an amenable number.

122188228 is a deficient number, since it is larger than the sum of its proper divisors (93180492).

122188228 is a wasteful number, since it uses less digits than its factorization.

122188228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219906 (or 219904 counting only the distinct ones).

The product of its digits is 8192, while the sum is 34.

The square root of 122188228 is about 11053.8784143847. The cubic root of 122188228 is about 496.2225035788. Note that the first 3 decimals are identical.

The spelling of 122188228 in words is "one hundred twenty-two million, one hundred eighty-eight thousand, two hundred twenty-eight".