198244224 has 96 divisors (see below), whose sum is σ = 586012440. Its totient is φ = 64281600.

The previous prime is 198244219. The next prime is 198244243. The reversal of 198244224 is 422442891.

198244224 is a `hidden beast` number, since 198 + 2 + 442 + 24 = 666.

198244224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40299 + ... + 44949.

Almost surely, 2^198244224 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 198244224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293006220).

198244224 is an abundant number, since it is smaller than the sum of its proper divisors (387768216).

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

198244224 is a wasteful number, since it uses less digits than its factorization.

198244224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708 (or 4693 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 198244224 is about 14079.9227270607. The cubic root of 198244224 is about 583.0872085667.

The spelling of 198244224 in words is "one hundred ninety-eight million, two hundred forty-four thousand, two hundred twenty-four".