224212143 has 8 divisors (see below), whose sum is σ = 301100800. Its totient is φ = 148399128.

The previous prime is 224212139. The next prime is 224212147. The reversal of 224212143 is 341212422.

It is an interprime number because it is at equal distance from previous prime (224212139) and next prime (224212147).

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

It is not a de Polignac number, because 224212143 - 2² = 224212139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224212147) 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 7 ways as a sum of consecutive naturals, for example, 268423 + ... + 269256.

It is an arithmetic number, because the mean of its divisors is an integer number (37637600).

Almost surely, 2^224212143 is an apocalyptic number.

224212143 is a deficient number, since it is larger than the sum of its proper divisors (76888657).

224212143 is a wasteful number, since it uses less digits than its factorization.

224212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537821.

The product of its digits is 768, while the sum is 21.

The square root of 224212143 is about 14973.7150700820. The cubic root of 224212143 is about 607.5094574219.

Adding to 224212143 its reverse (341212422), we get a palindrome (565424565).

The spelling of 224212143 in words is "two hundred twenty-four million, two hundred twelve thousand, one hundred forty-three".