224320442 has 8 divisors (see below), whose sum is σ = 336890016. Its totient is φ = 112023772.

The previous prime is 224320429. The next prime is 224320451. The reversal of 224320442 is 244023422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66158 + ... + 69465.

It is an arithmetic number, because the mean of its divisors is an integer number (42111252).

Almost surely, 2^224320442 is an apocalyptic number.

224320442 is a deficient number, since it is larger than the sum of its proper divisors (112569574).

224320442 is a wasteful number, since it uses less digits than its factorization.

224320442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136452.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 224320442 is about 14977.3309371196. The cubic root of 224320442 is about 607.6072547960.

Adding to 224320442 its reverse (244023422), we get a palindrome (468343864).

The spelling of 224320442 in words is "two hundred twenty-four million, three hundred twenty thousand, four hundred forty-two".