228600639 has 6 divisors (see below), whose sum is σ = 330200936. Its totient is φ = 152400420.

The previous prime is 228600637. The next prime is 228600661. The reversal of 228600639 is 936006822.

It is not a de Polignac number, because 228600639 - 2¹ = 228600637 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 (228600637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12700027 + ... + 12700044.

Almost surely, 2^228600639 is an apocalyptic number.

228600639 is a deficient number, since it is larger than the sum of its proper divisors (101600297).

228600639 is a wasteful number, since it uses less digits than its factorization.

228600639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25400077 (or 25400074 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 228600639 is about 15119.5449336281. The cubic root of 228600639 is about 611.4474620171.

The spelling of 228600639 in words is "two hundred twenty-eight million, six hundred thousand, six hundred thirty-nine".