30167228 has 48 divisors (see below), whose sum is σ = 65479680. Its totient is φ = 11841984.

The previous prime is 30167227. The next prime is 30167281. The reversal of 30167228 is 82276103.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30167228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30167227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64925 + ... + 65387.

It is an arithmetic number, because the mean of its divisors is an integer number (1364160).

Almost surely, 2^30167228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30167228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32739840).

30167228 is an abundant number, since it is smaller than the sum of its proper divisors (35312452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30167228 is a wasteful number, since it uses less digits than its factorization.

30167228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 30167228 is about 5492.4701182619. The cubic root of 30167228 is about 311.2995325545.

The spelling of 30167228 in words is "thirty million, one hundred sixty-seven thousand, two hundred twenty-eight".