222231323 has 4 divisors (see below), whose sum is σ = 222261240. Its totient is φ = 222201408.

The previous prime is 222231311. The next prime is 222231329. The reversal of 222231323 is 323132222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 222231323 - 2⁴ = 222231307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222231295 and 222231304.

It is not an unprimeable number, because it can be changed into a prime (222231329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5636 + ... + 21822.

It is an arithmetic number, because the mean of its divisors is an integer number (55565310).

Almost surely, 2^222231323 is an apocalyptic number.

222231323 is a deficient number, since it is larger than the sum of its proper divisors (29917).

222231323 is a wasteful number, since it uses less digits than its factorization.

222231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29916.

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

The square root of 222231323 is about 14907.4250962398. The cubic root of 222231323 is about 605.7151327699.

Adding to 222231323 its reverse (323132222), we get a palindrome (545363545).

The spelling of 222231323 in words is "two hundred twenty-two million, two hundred thirty-one thousand, three hundred twenty-three".