222133439 has 4 divisors (see below), whose sum is σ = 242327400. Its totient is φ = 201939480.

The previous prime is 222133433. The next prime is 222133453. The reversal of 222133439 is 934331222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222133439 - 2²⁰ = 221084863 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 (222133433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10096964 + ... + 10096985.

It is an arithmetic number, because the mean of its divisors is an integer number (60581850).

Almost surely, 2^222133439 is an apocalyptic number.

222133439 is a deficient number, since it is larger than the sum of its proper divisors (20193961).

222133439 is a wasteful number, since it uses less digits than its factorization.

222133439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20193960.

The product of its digits is 7776, while the sum is 29.

The square root of 222133439 is about 14904.1416727029. The cubic root of 222133439 is about 605.6261886218.

It can be divided in two parts, 22213 and 3439, that added together give a palindrome (25652).

The spelling of 222133439 in words is "two hundred twenty-two million, one hundred thirty-three thousand, four hundred thirty-nine".