222224643 has 24 divisors (see below), whose sum is σ = 335941632. Its totient is φ = 141288048.

The previous prime is 222224599. The next prime is 222224669. The reversal of 222224643 is 346422222.

It is a happy number.

222224643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222224643 - 2¹³ = 222216451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222224683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77880 + ... + 80682.

It is an arithmetic number, because the mean of its divisors is an integer number (13997568).

Almost surely, 2^222224643 is an apocalyptic number.

222224643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222224643 is a deficient number, since it is larger than the sum of its proper divisors (113716989).

222224643 is a wasteful number, since it uses less digits than its factorization.

222224643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215 (or 3212 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 222224643 is about 14907.2010451325. The cubic root of 222224643 is about 605.7090636920.

Adding to 222224643 its reverse (346422222), we get a palindrome (568646865).

The spelling of 222224643 in words is "two hundred twenty-two million, two hundred twenty-four thousand, six hundred forty-three".