224142311 has 4 divisors (see below), whose sum is σ = 224302800. Its totient is φ = 223981824.

The previous prime is 224142301. The next prime is 224142319. The reversal of 224142311 is 113241422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224142311 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 (224142319) 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, 78131 + ... + 80948.

It is an arithmetic number, because the mean of its divisors is an integer number (56075700).

Almost surely, 2^224142311 is an apocalyptic number.

224142311 is a deficient number, since it is larger than the sum of its proper divisors (160489).

224142311 is a wasteful number, since it uses less digits than its factorization.

224142311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160488.

The product of its digits is 384, while the sum is 20.

The square root of 224142311 is about 14971.3830690421. The cubic root of 224142311 is about 607.4463802472.

Adding to 224142311 its reverse (113241422), we get a palindrome (337383733).

The spelling of 224142311 in words is "two hundred twenty-four million, one hundred forty-two thousand, three hundred eleven".