222345689 has 8 divisors (see below), whose sum is σ = 226376640. Its totient is φ = 218323600.

The previous prime is 222345667. The next prime is 222345709. The reversal of 222345689 is 986543222.

222345689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222345689 - 2⁸ = 222345433 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222345089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68084 + ... + 71274.

It is an arithmetic number, because the mean of its divisors is an integer number (28297080).

Almost surely, 2^222345689 is an apocalyptic number.

It is an amenable number.

222345689 is a deficient number, since it is larger than the sum of its proper divisors (4030951).

222345689 is a wasteful number, since it uses less digits than its factorization.

222345689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431.

The product of its digits is 207360, while the sum is 41.

The square root of 222345689 is about 14911.2604765660. The cubic root of 222345689 is about 605.8190205208.

The spelling of 222345689 in words is "two hundred twenty-two million, three hundred forty-five thousand, six hundred eighty-nine".