228902039 has 2 divisors, whose sum is σ = 228902040. Its totient is φ = 228902038.

The previous prime is 228902021. The next prime is 228902077. The reversal of 228902039 is 930209822.

228902039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228902039 - 2²⁴ = 212124823 is a prime.

It is a super-2 number, since 2×228902039² = 104792286916715042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228902339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114451019 + 114451020.

It is an arithmetic number, because the mean of its divisors is an integer number (114451020).

Almost surely, 2^228902039 is an apocalyptic number.

228902039 is a deficient number, since it is larger than the sum of its proper divisors (1).

228902039 is an equidigital number, since it uses as much as digits as its factorization.

228902039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 228902039 is about 15129.5088816524. The cubic root of 228902039 is about 611.7160662989.

The spelling of 228902039 in words is "two hundred twenty-eight million, nine hundred two thousand, thirty-nine".