30227280 has 160 divisors (see below), whose sum is σ = 100172160. Its totient is φ = 7526400.

The previous prime is 30227243. The next prime is 30227287. The reversal of 30227280 is 8272203.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30227280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30227287) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 299230 + ... + 299330.

It is an arithmetic number, because the mean of its divisors is an integer number (626076).

Almost surely, 2^30227280 is an apocalyptic number.

30227280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30227280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50086080).

30227280 is an abundant number, since it is smaller than the sum of its proper divisors (69944880).

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

30227280 is a wasteful number, since it uses less digits than its factorization.

30227280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 30227280 is about 5497.9341574813. The cubic root of 30227280 is about 311.5059570979.

Adding to 30227280 its reverse (8272203), we get a palindrome (38499483).

The spelling of 30227280 in words is "thirty million, two hundred twenty-seven thousand, two hundred eighty".