228666422 has 16 divisors (see below), whose sum is σ = 363478752. Its totient is φ = 107518080.

The previous prime is 228666367. The next prime is 228666469. The reversal of 228666422 is 224666822.

228666422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57263 + ... + 61125.

It is an arithmetic number, because the mean of its divisors is an integer number (22717422).

Almost surely, 2^228666422 is an apocalyptic number.

228666422 is a deficient number, since it is larger than the sum of its proper divisors (134812330).

228666422 is a wasteful number, since it uses less digits than its factorization.

228666422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623.

The product of its digits is 110592, while the sum is 38.

The square root of 228666422 is about 15121.7202063786. The cubic root of 228666422 is about 611.5061072174.

The spelling of 228666422 in words is "two hundred twenty-eight million, six hundred sixty-six thousand, four hundred twenty-two".