224213992 has 8 divisors (see below), whose sum is σ = 420401250. Its totient is φ = 112106992.

The previous prime is 224213989. The next prime is 224214007. The reversal of 224213992 is 299312422.

It can be written as a sum of positive squares in only one way, i.e., 204089796 + 20124196 = 14286^2 + 4486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14013367 + ... + 14013382.

Almost surely, 2^224213992 is an apocalyptic number.

It is an amenable number.

224213992 is a deficient number, since it is larger than the sum of its proper divisors (196187258).

224213992 is a wasteful number, since it uses less digits than its factorization.

224213992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28026755 (or 28026751 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 224213992 is about 14973.7768114795. The cubic root of 224213992 is about 607.5111273908.

The spelling of 224213992 in words is "two hundred twenty-four million, two hundred thirteen thousand, nine hundred ninety-two".