224249812 has 12 divisors (see below), whose sum is σ = 395261440. Its totient is φ = 111317976.

The previous prime is 224249807. The next prime is 224249813. The reversal of 224249812 is 218942422.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224249813) 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 3 ways as a sum of consecutive naturals, for example, 201108 + ... + 202219.

Almost surely, 2^224249812 is an apocalyptic number.

It is an amenable number.

224249812 is a deficient number, since it is larger than the sum of its proper divisors (171011628).

224249812 is a wasteful number, since it uses less digits than its factorization.

224249812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403470 (or 403468 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 224249812 is about 14974.9728547333. The cubic root of 224249812 is about 607.5434772747.

The spelling of 224249812 in words is "two hundred twenty-four million, two hundred forty-nine thousand, eight hundred twelve".