222233321 has 4 divisors (see below), whose sum is σ = 222412500. Its totient is φ = 222054144.

The previous prime is 222233287. The next prime is 222233357. The reversal of 222233321 is 123332222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108576400 + 113656921 = 10420^2 + 10661^2 .

It is a cyclic number.

It is not a de Polignac number, because 222233321 - 2⁶ = 222233257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222233293 and 222233302.

It is not an unprimeable number, because it can be changed into a prime (222233381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87716 + ... + 90213.

It is an arithmetic number, because the mean of its divisors is an integer number (55603125).

Almost surely, 2^222233321 is an apocalyptic number.

It is an amenable number.

222233321 is a deficient number, since it is larger than the sum of its proper divisors (179179).

222233321 is a wasteful number, since it uses less digits than its factorization.

222233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179178.

The product of its digits is 864, while the sum is 20.

The square root of 222233321 is about 14907.4921096742. The cubic root of 222233321 is about 605.7169480183.

Adding to 222233321 its reverse (123332222), we get a palindrome (345565543).

The spelling of 222233321 in words is "two hundred twenty-two million, two hundred thirty-three thousand, three hundred twenty-one".