228283839 has 40 divisors (see below), whose sum is σ = 391029408. Its totient is φ = 130014720.

The previous prime is 228283829. The next prime is 228283849. The reversal of 228283839 is 938382822.

228283839 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (228283829) and next prime (228283849).

It is not a de Polignac number, because 228283839 - 2⁷ = 228283711 is a prime.

It is a super-2 number, since 2×228283839² = 104227022297155842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228283794 and 228283803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228283829) 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 39 ways as a sum of consecutive naturals, for example, 258679 + ... + 259559.

Almost surely, 2^228283839 is an apocalyptic number.

228283839 is a deficient number, since it is larger than the sum of its proper divisors (162745569).

228283839 is an equidigital number, since it uses as much as digits as its factorization.

228283839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1348 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 228283839 is about 15109.0647956781. The cubic root of 228283839 is about 611.1648788088.

The spelling of 228283839 in words is "two hundred twenty-eight million, two hundred eighty-three thousand, eight hundred thirty-nine".