228165322 has 32 divisors (see below), whose sum is σ = 427991040. Its totient is φ = 88626480.

The previous prime is 228165317. The next prime is 228165337. The reversal of 228165322 is 223561822.

228165322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53223 + ... + 57349.

It is an arithmetic number, because the mean of its divisors is an integer number (13374720).

Almost surely, 2^228165322 is an apocalyptic number.

228165322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228165322 is a deficient number, since it is larger than the sum of its proper divisors (199825718).

228165322 is a wasteful number, since it uses less digits than its factorization.

228165322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506.

The product of its digits is 11520, while the sum is 31.

The square root of 228165322 is about 15105.1422370000. The cubic root of 228165322 is about 611.0590953438.

The spelling of 228165322 in words is "two hundred twenty-eight million, one hundred sixty-five thousand, three hundred twenty-two".