223122222 has 32 divisors (see below), whose sum is σ = 496742400. Its totient is φ = 74236824.

The previous prime is 223122203. The next prime is 223122223. The reversal of 223122222 is 222221322.

223122222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223122222³ (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 nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 223122195 and 223122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223122223) 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, 28179 + ... + 35217.

It is an arithmetic number, because the mean of its divisors is an integer number (15523200).

Almost surely, 2^223122222 is an apocalyptic number.

223122222 is an abundant number, since it is smaller than the sum of its proper divisors (273620178).

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

223122222 is a wasteful number, since it uses less digits than its factorization.

223122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637 (or 7631 counting only the distinct ones).

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

The square root of 223122222 is about 14937.2762577386. The cubic root of 223122222 is about 606.5234669191.

Adding to 223122222 its reverse (222221322), we get a palindrome (445343544).

The spelling of 223122222 in words is "two hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty-two".