223222345 has 8 divisors (see below), whose sum is σ = 267966720. Its totient is φ = 178511280.

The previous prime is 223222313. The next prime is 223222357. The reversal of 223222345 is 543222322.

It is a happy number.

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

It is not a de Polignac number, because 223222345 - 2⁵ = 223222313 is a prime.

It is a super-3 number, since 3×223222345³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10150 + ... + 23440.

It is an arithmetic number, because the mean of its divisors is an integer number (33495840).

Almost surely, 2^223222345 is an apocalyptic number.

It is an amenable number.

223222345 is a deficient number, since it is larger than the sum of its proper divisors (44744375).

223222345 is a wasteful number, since it uses less digits than its factorization.

223222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16655.

The product of its digits is 5760, while the sum is 25.

The square root of 223222345 is about 14940.6273295334. The cubic root of 223222345 is about 606.6141763479.

Adding to 223222345 its reverse (543222322), we get a palindrome (766444667).

The spelling of 223222345 in words is "two hundred twenty-three million, two hundred twenty-two thousand, three hundred forty-five".