22021023223 has 8 divisors (see below), whose sum is σ = 22527129600. Its totient is φ = 21516482520.

The previous prime is 22021023221. The next prime is 22021023307. The reversal of 22021023223 is 32232012022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021023223 - 2¹ = 22021023221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22021023223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021023221) 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 7 ways as a sum of consecutive naturals, for example, 362943 + ... + 419248.

It is an arithmetic number, because the mean of its divisors is an integer number (2815891200).

Almost surely, 2^22021023223 is an apocalyptic number.

22021023223 is a deficient number, since it is larger than the sum of its proper divisors (506106377).

22021023223 is an equidigital number, since it uses as much as digits as its factorization.

22021023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782837.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22021023223 its reverse (32232012022), we get a palindrome (54253035245).

The spelling of 22021023223 in words is "twenty-two billion, twenty-one million, twenty-three thousand, two hundred twenty-three".