224220446 has 8 divisors (see below), whose sum is σ = 356114880. Its totient is φ = 105515488.

The previous prime is 224220443. The next prime is 224220457. The reversal of 224220446 is 644022422.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224220443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3297326 + ... + 3297393.

It is an arithmetic number, because the mean of its divisors is an integer number (44514360).

Almost surely, 2^224220446 is an apocalyptic number.

224220446 is a deficient number, since it is larger than the sum of its proper divisors (131894434).

224220446 is a wasteful number, since it uses less digits than its factorization.

224220446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594738.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 224220446 is about 14973.9923200194. The cubic root of 224220446 is about 607.5169564043.

Adding to 224220446 its reverse (644022422), we get a palindrome (868242868).

The spelling of 224220446 in words is "two hundred twenty-four million, two hundred twenty thousand, four hundred forty-six".