22021303223 has 4 divisors (see below), whose sum is σ = 22115815488. Its totient is φ = 21926790960.

The previous prime is 22021303219. The next prime is 22021303229. The reversal of 22021303223 is 32230312022.

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

It is a cyclic number.

It is not a de Polignac number, because 22021303223 - 2² = 22021303219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22021303195 and 22021303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021303229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47255783 + ... + 47256248.

It is an arithmetic number, because the mean of its divisors is an integer number (5528953872).

Almost surely, 2^22021303223 is an apocalyptic number.

22021303223 is a deficient number, since it is larger than the sum of its proper divisors (94512265).

22021303223 is an equidigital number, since it uses as much as digits as its factorization.

22021303223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94512264.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22021303223 its reverse (32230312022), we get a palindrome (54251615245).

The spelling of 22021303223 in words is "twenty-two billion, twenty-one million, three hundred three thousand, two hundred twenty-three".