223221230 has 16 divisors (see below), whose sum is σ = 402210144. Its totient is φ = 89196960.

The previous prime is 223221227. The next prime is 223221239. The reversal of 223221230 is 32122322.

It is a super-3 number, since 3×223221230³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223221199 and 223221208.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 722 + ... + 21141.

It is an arithmetic number, because the mean of its divisors is an integer number (25138134).

Almost surely, 2^223221230 is an apocalyptic number.

223221230 is a deficient number, since it is larger than the sum of its proper divisors (178988914).

223221230 is a wasteful number, since it uses less digits than its factorization.

223221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22891.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 223221230 is about 14940.5900151232. The cubic root of 223221230 is about 606.6131663296.

Adding to 223221230 its reverse (32122322), we get a palindrome (255343552).

The spelling of 223221230 in words is "two hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty".