223221234 has 32 divisors (see below), whose sum is σ = 472608000. Its totient is φ = 70090704.

The previous prime is 223221227. The next prime is 223221239. The reversal of 223221234 is 432122322.

It is a super-3 number, since 3×223221234³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223221234.

It is not an unprimeable number, because it can be changed into a prime (223221239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14937 + ... + 25875.

It is an arithmetic number, because the mean of its divisors is an integer number (14769000).

Almost surely, 2^223221234 is an apocalyptic number.

223221234 is an abundant number, since it is smaller than the sum of its proper divisors (249386766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223221234 is a wasteful number, since it uses less digits than its factorization.

223221234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142.

The product of its digits is 1152, while the sum is 21.

The square root of 223221234 is about 14940.5901489868. The cubic root of 223221234 is about 606.6131699530.

Adding to 223221234 its reverse (432122322), we get a palindrome (655343556).

The spelling of 223221234 in words is "two hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty-four".