228049239 has 16 divisors (see below), whose sum is σ = 335439360. Its totient is φ = 136656960.

The previous prime is 228049193. The next prime is 228049247. The reversal of 228049239 is 932940822.

It is a happy number.

It is not a de Polignac number, because 228049239 - 2⁷ = 228049111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228049197 and 228049206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228049249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35887 + ... + 41760.

It is an arithmetic number, because the mean of its divisors is an integer number (20964960).

Almost surely, 2^228049239 is an apocalyptic number.

228049239 is a deficient number, since it is larger than the sum of its proper divisors (107390121).

228049239 is a wasteful number, since it uses less digits than its factorization.

228049239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77750.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 228049239 is about 15101.2992487402. The cubic root of 228049239 is about 610.9554488514.

The spelling of 228049239 in words is "two hundred twenty-eight million, forty-nine thousand, two hundred thirty-nine".