30227472 has 80 divisors (see below), whose sum is σ = 94666560. Its totient is φ = 9158400.

The previous prime is 30227471. The next prime is 30227507. The reversal of 30227472 is 27472203.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30227471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572 + ... + 7932.

It is an arithmetic number, because the mean of its divisors is an integer number (1183332).

Almost surely, 2^30227472 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 30227472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47333280).

30227472 is an abundant number, since it is smaller than the sum of its proper divisors (64439088).

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

30227472 is a wasteful number, since it uses less digits than its factorization.

30227472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6389 (or 6377 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 30227472 is about 5497.9516185576. The cubic root of 30227472 is about 311.5066166458.

Adding to 30227472 its reverse (27472203), we get a palindrome (57699675).

The spelling of 30227472 in words is "thirty million, two hundred twenty-seven thousand, four hundred seventy-two".