308228222 has 8 divisors (see below), whose sum is σ = 486676200. Its totient is φ = 146002824.

The previous prime is 308228189. The next prime is 308228227. The reversal of 308228222 is 222822803.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308228227) 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, 4055597 + ... + 4055672.

It is an arithmetic number, because the mean of its divisors is an integer number (60834525).

Almost surely, 2^308228222 is an apocalyptic number.

308228222 is a deficient number, since it is larger than the sum of its proper divisors (178447978).

308228222 is a wasteful number, since it uses less digits than its factorization.

308228222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111290.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 308228222 is about 17556.4296484223. The cubic root of 308228222 is about 675.4981029433.

The spelling of 308228222 in words is "three hundred eight million, two hundred twenty-eight thousand, two hundred twenty-two".