224143222 has 4 divisors (see below), whose sum is σ = 336214836. Its totient is φ = 112071610.

The previous prime is 224143177. The next prime is 224143223. The reversal of 224143222 is 222341422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222341422 = 2 ⋅111170711.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 224143193 and 224143202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224143223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56035804 + ... + 56035807.

It is an arithmetic number, because the mean of its divisors is an integer number (84053709).

Almost surely, 2^224143222 is an apocalyptic number.

224143222 is a deficient number, since it is larger than the sum of its proper divisors (112071614).

224143222 is a wasteful number, since it uses less digits than its factorization.

224143222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112071613.

The product of its digits is 1536, while the sum is 22.

The square root of 224143222 is about 14971.4134937220. The cubic root of 224143222 is about 607.4472032108.

Adding to 224143222 its reverse (222341422), we get a palindrome (446484644).

The spelling of 224143222 in words is "two hundred twenty-four million, one hundred forty-three thousand, two hundred twenty-two".