22213323 has 24 divisors (see below), whose sum is σ = 35605440. Its totient is φ = 13230960.

The previous prime is 22213313. The next prime is 22213343. The reversal of 22213323 is 32331222.

It is a happy number.

It is not a de Polignac number, because 22213323 - 2⁶ = 22213259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22213296 and 22213305.

It is not an unprimeable number, because it can be changed into a prime (22213313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3940 + ... + 7742.

It is an arithmetic number, because the mean of its divisors is an integer number (1483560).

Almost surely, 2^22213323 is an apocalyptic number.

22213323 is a deficient number, since it is larger than the sum of its proper divisors (13392117).

22213323 is a wasteful number, since it uses less digits than its factorization.

22213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879 (or 3876 counting only the distinct ones).

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

The square root of 22213323 is about 4713.1012083341. The cubic root of 22213323 is about 281.1066872828.

Adding to 22213323 its reverse (32331222), we get a palindrome (54544545).

The spelling of 22213323 in words is "twenty-two million, two hundred thirteen thousand, three hundred twenty-three".