198662244 has 48 divisors (see below), whose sum is σ = 509085696. Its totient is φ = 59796000.

The previous prime is 198662239. The next prime is 198662251. The reversal of 198662244 is 442266891.

It is a super-2 number, since 2×198662244² = 78933374382231072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198662196 and 198662205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14949 + ... + 24915.

It is an arithmetic number, because the mean of its divisors is an integer number (10605952).

Almost surely, 2^198662244 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 198662244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254542848).

198662244 is an abundant number, since it is smaller than the sum of its proper divisors (310423452).

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

198662244 is a wasteful number, since it uses less digits than its factorization.

198662244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10136 (or 10134 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 198662244 is about 14094.7594516544. The cubic root of 198662244 is about 583.4967555913.

The spelling of 198662244 in words is "one hundred ninety-eight million, six hundred sixty-two thousand, two hundred forty-four".