223122204 has 36 divisors (see below), whose sum is σ = 566552896. Its totient is φ = 74037888.

The previous prime is 223122203. The next prime is 223122223. The reversal of 223122204 is 402221322.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×223122204³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223122203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5869 + ... + 21924.

Almost surely, 2^223122204 is an apocalyptic number.

It is an amenable number.

223122204 is an abundant number, since it is smaller than the sum of its proper divisors (343430692).

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

223122204 is a wasteful number, since it uses less digits than its factorization.

223122204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28026 (or 28021 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 223122204 is about 14937.2756552191. The cubic root of 223122204 is about 606.5234506090.

Adding to 223122204 its reverse (402221322), we get a palindrome (625343526).

The spelling of 223122204 in words is "two hundred twenty-three million, one hundred twenty-two thousand, two hundred four".