199448244 has 120 divisors (see below), whose sum is σ = 554954400. Its totient is φ = 62285760.

The previous prime is 199448243. The next prime is 199448251. The reversal of 199448244 is 442844991.

Its product of digits (331776) is a multiple of the sum of its prime divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 199448244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199448243) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1101834 + ... + 1102014.

It is an arithmetic number, because the mean of its divisors is an integer number (4624620).

Almost surely, 2^199448244 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 199448244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277477200).

199448244 is an abundant number, since it is smaller than the sum of its proper divisors (355506156).

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

199448244 is a wasteful number, since it uses less digits than its factorization.

199448244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 384 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 199448244 is about 14122.6146304429. The cubic root of 199448244 is about 584.2652708993.

The spelling of 199448244 in words is "one hundred ninety-nine million, four hundred forty-eight thousand, two hundred forty-four".