222039243 has 24 divisors (see below), whose sum is σ = 327575040. Its totient is φ = 144886320.

The previous prime is 222039239. The next prime is 222039269. The reversal of 222039243 is 342930222.

222039243 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 222039243 - 2² = 222039239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222039043) 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, 143130 + ... + 144672.

It is an arithmetic number, because the mean of its divisors is an integer number (13648960).

Almost surely, 2^222039243 is an apocalyptic number.

222039243 is a deficient number, since it is larger than the sum of its proper divisors (105535797).

222039243 is a wasteful number, since it uses less digits than its factorization.

222039243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 222039243 is about 14900.9812764126. The cubic root of 222039243 is about 605.5405709703.

Adding to 222039243 its reverse (342930222), we get a palindrome (564969465).

The spelling of 222039243 in words is "two hundred twenty-two million, thirty-nine thousand, two hundred forty-three".