22023320555 has 16 divisors (see below), whose sum is σ = 26722504704. Its totient is φ = 17423359200.

The previous prime is 22023320551. The next prime is 22023320569. The reversal of 22023320555 is 55502332022.

It is a happy number.

It is not a de Polignac number, because 22023320555 - 2² = 22023320551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22023320551) 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 15 ways as a sum of consecutive naturals, for example, 102962 + ... + 233768.

It is an arithmetic number, because the mean of its divisors is an integer number (1670156544).

Almost surely, 2^22023320555 is an apocalyptic number.

22023320555 is a deficient number, since it is larger than the sum of its proper divisors (4699184149).

22023320555 is a wasteful number, since it uses less digits than its factorization.

22023320555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131186.

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 22023320555 its reverse (55502332022), we get a palindrome (77525652577).

The spelling of 22023320555 in words is "twenty-two billion, twenty-three million, three hundred twenty thousand, five hundred fifty-five".