222320439 has 18 divisors (see below), whose sum is σ = 352978808. Its totient is φ = 134739000.

The previous prime is 222320419. The next prime is 222320473. The reversal of 222320439 is 934023222.

222320439 is a `hidden beast` number, since 2 + 223 + 2 + 0 + 439 = 666.

222320439 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 222320439 - 2⁸ = 222320183 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 (222320419) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100987 + ... + 103164.

Almost surely, 2^222320439 is an apocalyptic number.

222320439 is a deficient number, since it is larger than the sum of its proper divisors (130658369).

222320439 is a wasteful number, since it uses less digits than its factorization.

222320439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204179 (or 204165 counting only the distinct ones).

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

The square root of 222320439 is about 14910.4137769547. The cubic root of 222320439 is about 605.7960869986.

The spelling of 222320439 in words is "two hundred twenty-two million, three hundred twenty thousand, four hundred thirty-nine".