228828941 has 4 divisors (see below), whose sum is σ = 249631584. Its totient is φ = 208026300.

The previous prime is 228828923. The next prime is 228828961. The reversal of 228828941 is 149828822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228828941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228828892 and 228828901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228828961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10401305 + ... + 10401326.

It is an arithmetic number, because the mean of its divisors is an integer number (62407896).

Almost surely, 2^228828941 is an apocalyptic number.

It is an amenable number.

228828941 is a deficient number, since it is larger than the sum of its proper divisors (20802643).

228828941 is a wasteful number, since it uses less digits than its factorization.

228828941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20802642.

The product of its digits is 147456, while the sum is 44.

The square root of 228828941 is about 15127.0929461017. The cubic root of 228828941 is about 611.6509438534.

The spelling of 228828941 in words is "two hundred twenty-eight million, eight hundred twenty-eight thousand, nine hundred forty-one".