228286222 has 8 divisors (see below), whose sum is σ = 348233400. Its totient is φ = 112208424.

The previous prime is 228286199. The next prime is 228286243. The reversal of 228286222 is 222682822.

It is a happy number.

228286222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×228286222² = 104229198310066568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967197 + ... + 967432.

It is an arithmetic number, because the mean of its divisors is an integer number (43529175).

Almost surely, 2^228286222 is an apocalyptic number.

228286222 is a deficient number, since it is larger than the sum of its proper divisors (119947178).

228286222 is a wasteful number, since it uses less digits than its factorization.

228286222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934690.

The product of its digits is 24576, while the sum is 34.

The square root of 228286222 is about 15109.1436554161. The cubic root of 228286222 is about 611.1670054024.

The spelling of 228286222 in words is "two hundred twenty-eight million, two hundred eighty-six thousand, two hundred twenty-two".