17980224 has 56 divisors (see below), whose sum is σ = 48877728. Its totient is φ = 5829120.

The previous prime is 17980189. The next prime is 17980241. The reversal of 17980224 is 42208971.

It is a happy number.

It is a congruent number.

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, 5839 + ... + 8369.

Almost surely, 2^17980224 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 17980224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24438864).

17980224 is an abundant number, since it is smaller than the sum of its proper divisors (30897504).

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

17980224 is a wasteful number, since it uses less digits than its factorization.

17980224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 17980224 is about 4240.3094226719. The cubic root of 17980224 is about 261.9781268766.

The spelling of 17980224 in words is "seventeen million, nine hundred eighty thousand, two hundred twenty-four".