22321323 has 24 divisors (see below), whose sum is σ = 35070048. Its totient is φ = 13623552.

The previous prime is 22321319. The next prime is 22321331. The reversal of 22321323 is 32312322.

It is a happy number.

22321323 is a `hidden beast` number, since 22 + 321 + 323 = 666.

It is not a de Polignac number, because 22321323 - 2² = 22321319 is a prime.

It is a super-3 number, since 3×22321323³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22321296 and 22321305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321363) 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, 3690 + ... + 7632.

It is an arithmetic number, because the mean of its divisors is an integer number (1461252).

Almost surely, 2^22321323 is an apocalyptic number.

22321323 is a deficient number, since it is larger than the sum of its proper divisors (12748725).

22321323 is a wasteful number, since it uses less digits than its factorization.

22321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003 (or 4000 counting only the distinct ones).

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

The square root of 22321323 is about 4724.5447399723. The cubic root of 22321323 is about 281.5615262184.

Adding to 22321323 its reverse (32312322), we get a palindrome (54633645).

Subtracting 22321323 from its reverse (32312322), we obtain a palindrome (9990999).

The spelling of 22321323 in words is "twenty-two million, three hundred twenty-one thousand, three hundred twenty-three".