224022143 has 4 divisors (see below), whose sum is σ = 224415048. Its totient is φ = 223629240.

The previous prime is 224022133. The next prime is 224022157. The reversal of 224022143 is 341220422.

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 224022143 - 2⁶ = 224022079 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 (224022133) 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, 195596 + ... + 196737.

It is an arithmetic number, because the mean of its divisors is an integer number (56103762).

Almost surely, 2^224022143 is an apocalyptic number.

224022143 is a deficient number, since it is larger than the sum of its proper divisors (392905).

224022143 is an equidigital number, since it uses as much as digits as its factorization.

224022143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392904.

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

The square root of 224022143 is about 14967.3692745252. The cubic root of 224022143 is about 607.3378053793.

Adding to 224022143 its reverse (341220422), we get a palindrome (565242565).

The spelling of 224022143 in words is "two hundred twenty-four million, twenty-two thousand, one hundred forty-three".