228422079 has 32 divisors (see below), whose sum is σ = 343641600. Its totient is φ = 149947200.

The previous prime is 228422071. The next prime is 228422083. The reversal of 228422079 is 970224822.

It is a happy number.

228422079 is a `hidden beast` number, since 228 + 422 + 0 + 7 + 9 = 666.

It is not a de Polignac number, because 228422079 - 2³ = 228422071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228422071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729627 + ... + 729939.

It is an arithmetic number, because the mean of its divisors is an integer number (10738800).

Almost surely, 2^228422079 is an apocalyptic number.

228422079 is a deficient number, since it is larger than the sum of its proper divisors (115219521).

228422079 is a wasteful number, since it uses less digits than its factorization.

228422079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 228422079 is about 15113.6388404646. The cubic root of 228422079 is about 611.2882199746.

The spelling of 228422079 in words is "two hundred twenty-eight million, four hundred twenty-two thousand, seventy-nine".