22302221323 has 4 divisors (see below), whose sum is σ = 22321011240. Its totient is φ = 22283431408.

The previous prime is 22302221281. The next prime is 22302221327. The reversal of 22302221323 is 32312220322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22302221323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22302221294 and 22302221303.

It is not an unprimeable number, because it can be changed into a prime (22302221327) 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, 9393178 + ... + 9395551.

It is an arithmetic number, because the mean of its divisors is an integer number (5580252810).

Almost surely, 2^22302221323 is an apocalyptic number.

22302221323 is a deficient number, since it is larger than the sum of its proper divisors (18789917).

22302221323 is a wasteful number, since it uses less digits than its factorization.

22302221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18789916.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22302221323 its reverse (32312220322), we get a palindrome (54614441645).

The spelling of 22302221323 in words is "twenty-two billion, three hundred two million, two hundred twenty-one thousand, three hundred twenty-three".