30244224 has 128 divisors (see below), whose sum is σ = 87907680. Its totient is φ = 9175040.

The previous prime is 30244213. The next prime is 30244231. The reversal of 30244224 is 42244203.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 30244224.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 267592 + ... + 267704.

Almost surely, 2^30244224 is an apocalyptic number.

30244224 is a gapful number since it is divisible by the number (34) 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 30244224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43953840).

30244224 is an abundant number, since it is smaller than the sum of its proper divisors (57663456).

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

30244224 is a wasteful number, since it uses less digits than its factorization.

30244224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 30244224 is about 5499.4748840230. The cubic root of 30244224 is about 311.5641514510.

Subtracting from 30244224 its sum of digits (21), we obtain a palindrome (30244203).

Adding to 30244224 its reverse (42244203), we get a palindrome (72488427).

The spelling of 30244224 in words is "thirty million, two hundred forty-four thousand, two hundred twenty-four".