194980224 has 64 divisors (see below), whose sum is σ = 535806000. Its totient is φ = 62748672.

The previous prime is 194980211. The next prime is 194980231. The reversal of 194980224 is 422089491.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 2382 + ... + 19890.

Almost surely, 2^194980224 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 194980224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267903000).

194980224 is an abundant number, since it is smaller than the sum of its proper divisors (340825776).

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

194980224 is a wasteful number, since it uses less digits than its factorization.

194980224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17555 (or 17543 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 194980224 is about 13963.5319314277. The cubic root of 194980224 is about 579.8693958802.

The spelling of 194980224 in words is "one hundred ninety-four million, nine hundred eighty thousand, two hundred twenty-four".