228120326 has 16 divisors (see below), whose sum is σ = 391677984. Its totient is φ = 97612224.

The previous prime is 228120313. The next prime is 228120337. The reversal of 228120326 is 623021822.

228120326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228120295 and 228120304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3335 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (24479874).

Almost surely, 2^228120326 is an apocalyptic number.

228120326 is a deficient number, since it is larger than the sum of its proper divisors (163557658).

228120326 is a wasteful number, since it uses less digits than its factorization.

228120326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25615.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 228120326 is about 15103.6527370037. The cubic root of 228120326 is about 611.0189241462.

The spelling of 228120326 in words is "two hundred twenty-eight million, one hundred twenty thousand, three hundred twenty-six".