30223424 has 56 divisors (see below), whose sum is σ = 74785728. Its totient is φ = 11773440.

The previous prime is 30223373. The next prime is 30223439. The reversal of 30223424 is 42432203.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 30223396 and 30223405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862 + ... + 7994.

Almost surely, 2^30223424 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 30223424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37392864).

30223424 is an abundant number, since it is smaller than the sum of its proper divisors (44562304).

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

30223424 is a wasteful number, since it uses less digits than its factorization.

30223424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163 (or 6153 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 30223424 is about 5497.5834691253. The cubic root of 30223424 is about 311.4927105862.

Adding to 30223424 its reverse (42432203), we get a palindrome (72655627).

It can be divided in two parts, 3022 and 3424, that added together give a palindrome (6446).

The spelling of 30223424 in words is "thirty million, two hundred twenty-three thousand, four hundred twenty-four".