998224900 has 36 divisors (see below), whose sum is σ = 2174028388. Its totient is φ = 397837440.

The previous prime is 998224883. The next prime is 998224901. The reversal of 998224900 is 9422899.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 274830084 + 723394816 = 16578^2 + 26896^2 .

It is not an unprimeable number, because it can be changed into a prime (998224901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9682 + ... + 45718.

Almost surely, 2^998224900 is an apocalyptic number.

It is an amenable number.

998224900 is an abundant number, since it is smaller than the sum of its proper divisors (1175803488).

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

998224900 is a wasteful number, since it uses less digits than its factorization.

998224900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36328 (or 36321 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 998224900 is about 31594.6973399018. The cubic root of 998224900 is about 999.4079495454.

The spelling of 998224900 in words is "nine hundred ninety-eight million, two hundred twenty-four thousand, nine hundred".