222335643 has 16 divisors (see below), whose sum is σ = 301593600. Its totient is φ = 145672800.

The previous prime is 222335629. The next prime is 222335677. The reversal of 222335643 is 346533222.

It is not a de Polignac number, because 222335643 - 2¹⁶ = 222270107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222335643.

It is not an unprimeable number, because it can be changed into a prime (222335143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39478 + ... + 44756.

It is an arithmetic number, because the mean of its divisors is an integer number (18849600).

Almost surely, 2^222335643 is an apocalyptic number.

222335643 is a deficient number, since it is larger than the sum of its proper divisors (79257957).

222335643 is a wasteful number, since it uses less digits than its factorization.

222335643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522.

The product of its digits is 25920, while the sum is 30.

The square root of 222335643 is about 14910.9236132441. The cubic root of 222335643 is about 605.8098963659.

Adding to 222335643 its reverse (346533222), we get a palindrome (568868865).

The spelling of 222335643 in words is "two hundred twenty-two million, three hundred thirty-five thousand, six hundred forty-three".