233221222 has 8 divisors (see below), whose sum is σ = 376742016. Its totient is φ = 107640552.

The previous prime is 233221189. The next prime is 233221237. The reversal of 233221222 is 222122332.

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

It is a self number, because there is not a number n which added to its sum of digits gives 233221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4484998 + ... + 4485049.

It is an arithmetic number, because the mean of its divisors is an integer number (47092752).

Almost surely, 2^233221222 is an apocalyptic number.

233221222 is a deficient number, since it is larger than the sum of its proper divisors (143520794).

233221222 is a wasteful number, since it uses less digits than its factorization.

233221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970062.

The product of its digits is 576, while the sum is 19.

The square root of 233221222 is about 15271.5821708165. The cubic root of 233221222 is about 615.5396343176.

Adding to 233221222 its reverse (222122332), we get a palindrome (455343554).

The spelling of 233221222 in words is "two hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-two".