22231323 has 12 divisors (see below), whose sum is σ = 32154408. Its totient is φ = 14801280.

The previous prime is 22231241. The next prime is 22231331. The reversal of 22231323 is 32313222.

It is a happy number.

It is not a de Polignac number, because 22231323 - 2⁸ = 22231067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22231296 and 22231305.

It is not an unprimeable number, because it can be changed into a prime (22231373) 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, 9643 + ... + 11723.

It is an arithmetic number, because the mean of its divisors is an integer number (2679534).

Almost surely, 2^22231323 is an apocalyptic number.

22231323 is a deficient number, since it is larger than the sum of its proper divisors (9923085).

22231323 is a wasteful number, since it uses less digits than its factorization.

22231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274 (or 3271 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 22231323 is about 4715.0103923533. The cubic root of 22231323 is about 281.1825959955.

Adding to 22231323 its reverse (32313222), we get a palindrome (54544545).

The spelling of 22231323 in words is "twenty-two million, two hundred thirty-one thousand, three hundred twenty-three".