30432224 has 24 divisors (see below), whose sum is σ = 63068040. Its totient is φ = 14414976.

The previous prime is 30432211. The next prime is 30432251. The reversal of 30432224 is 42223403.

It is a super-2 number, since 2×30432224² = 1852240515172352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30432196 and 30432205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24419 + ... + 25634.

It is an arithmetic number, because the mean of its divisors is an integer number (2627835).

Almost surely, 2^30432224 is an apocalyptic number.

It is an amenable number.

30432224 is an abundant number, since it is smaller than the sum of its proper divisors (32635816).

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

30432224 is a wasteful number, since it uses less digits than its factorization.

30432224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50082 (or 50074 counting only the distinct ones).

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

The square root of 30432224 is about 5516.5409451938. The cubic root of 30432224 is about 312.2083858805.

Adding to 30432224 its reverse (42223403), we get a palindrome (72655627).

The spelling of 30432224 in words is "thirty million, four hundred thirty-two thousand, two hundred twenty-four".