22021303323 has 16 divisors (see below), whose sum is σ = 30827566080. Its totient is φ = 13963066656.

The previous prime is 22021303321. The next prime is 22021303349. The reversal of 22021303323 is 32330312022.

It is not a de Polignac number, because 22021303323 - 2¹ = 22021303321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22021303323.

It is not an unprimeable number, because it can be changed into a prime (22021303321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1883115 + ... + 1894772.

It is an arithmetic number, because the mean of its divisors is an integer number (1926722880).

Almost surely, 2^22021303323 is an apocalyptic number.

22021303323 is a deficient number, since it is larger than the sum of its proper divisors (8806262757).

22021303323 is a wasteful number, since it uses less digits than its factorization.

22021303323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777986.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22021303323 its reverse (32330312022), we get a palindrome (54351615345).

The spelling of 22021303323 in words is "twenty-two billion, twenty-one million, three hundred three thousand, three hundred twenty-three".