228861039 has 8 divisors (see below), whose sum is σ = 332888832. Its totient is φ = 138703640.

The previous prime is 228861029. The next prime is 228861119. The reversal of 228861039 is 930168822.

It is a happy number.

228861039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228861039 - 2⁷ = 228860911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228860988 and 228861006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228861019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3467559 + ... + 3467624.

It is an arithmetic number, because the mean of its divisors is an integer number (41611104).

Almost surely, 2^228861039 is an apocalyptic number.

228861039 is a deficient number, since it is larger than the sum of its proper divisors (104027793).

228861039 is a wasteful number, since it uses less digits than its factorization.

228861039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935197.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 228861039 is about 15128.1538529987. The cubic root of 228861039 is about 611.6795414222.

The spelling of 228861039 in words is "two hundred twenty-eight million, eight hundred sixty-one thousand, thirty-nine".