30223152 has 80 divisors (see below), whose sum is σ = 88823680. Its totient is φ = 9834048.

The previous prime is 30223147. The next prime is 30223177. The reversal of 30223152 is 25132203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17763 + ... + 19389.

It is an arithmetic number, because the mean of its divisors is an integer number (1110296).

Almost surely, 2^30223152 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 30223152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44411840).

30223152 is an abundant number, since it is smaller than the sum of its proper divisors (58600528).

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

30223152 is a wasteful number, since it uses less digits than its factorization.

30223152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30223152 is about 5497.5587309278. The cubic root of 30223152 is about 311.4917761425.

Adding to 30223152 its reverse (25132203), we get a palindrome (55355355).

The spelling of 30223152 in words is "thirty million, two hundred twenty-three thousand, one hundred fifty-two".