22122220323 has 16 divisors (see below), whose sum is σ = 33717413376. Its totient is φ = 12638507520.

The previous prime is 22122220321. The next prime is 22122220327. The reversal of 22122220323 is 32302222122.

It is not a de Polignac number, because 22122220323 - 2¹ = 22122220321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22122220323.

It is not an unprimeable number, because it can be changed into a prime (22122220321) 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, 14583 + ... + 210848.

It is an arithmetic number, because the mean of its divisors is an integer number (2107338336).

Almost surely, 2^22122220323 is an apocalyptic number.

22122220323 is a deficient number, since it is larger than the sum of its proper divisors (11595193053).

22122220323 is a wasteful number, since it uses less digits than its factorization.

22122220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230114.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22122220323 its reverse (32302222122), we get a palindrome (54424442445).

The spelling of 22122220323 in words is "twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, three hundred twenty-three".