224420312 has 16 divisors (see below), whose sum is σ = 421753200. Its totient is φ = 111952800.

The previous prime is 224420309. The next prime is 224420351. The reversal of 224420312 is 213024422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28439 + ... + 35462.

It is an arithmetic number, because the mean of its divisors is an integer number (26359575).

Almost surely, 2^224420312 is an apocalyptic number.

It is an amenable number.

224420312 is a deficient number, since it is larger than the sum of its proper divisors (197332888).

224420312 is a wasteful number, since it uses less digits than its factorization.

224420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64346 (or 64342 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 224420312 is about 14980.6646047497. The cubic root of 224420312 is about 607.6974126268.

Adding to 224420312 its reverse (213024422), we get a palindrome (437444734).

The spelling of 224420312 in words is "two hundred twenty-four million, four hundred twenty thousand, three hundred twelve".