224889143 has 4 divisors (see below), whose sum is σ = 224927088. Its totient is φ = 224851200.

The previous prime is 224889139. The next prime is 224889151. The reversal of 224889143 is 341988422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224889143 - 2² = 224889139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224889143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224889173) 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, 7946 + ... + 22647.

It is an arithmetic number, because the mean of its divisors is an integer number (56231772).

Almost surely, 2^224889143 is an apocalyptic number.

224889143 is a deficient number, since it is larger than the sum of its proper divisors (37945).

224889143 is an equidigital number, since it uses as much as digits as its factorization.

224889143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37944.

The product of its digits is 110592, while the sum is 41.

The square root of 224889143 is about 14996.3043113962. The cubic root of 224889143 is about 608.1202935675.

The spelling of 224889143 in words is "two hundred twenty-four million, eight hundred eighty-nine thousand, one hundred forty-three".