22155043233 has 8 divisors (see below), whose sum is σ = 31094797600. Its totient is φ = 13992658848.

The previous prime is 22155043201. The next prime is 22155043237. The reversal of 22155043233 is 33234055122.

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

It is not a de Polignac number, because 22155043233 - 2⁵ = 22155043201 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 22155043233.

It is not an unprimeable number, because it can be changed into a prime (22155043237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194342428 + ... + 194342541.

It is an arithmetic number, because the mean of its divisors is an integer number (3886849700).

Almost surely, 2^22155043233 is an apocalyptic number.

It is an amenable number.

22155043233 is a deficient number, since it is larger than the sum of its proper divisors (8939754367).

22155043233 is a wasteful number, since it uses less digits than its factorization.

22155043233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388684991.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 22155043233 its reverse (33234055122), we get a palindrome (55389098355).

The spelling of 22155043233 in words is "twenty-two billion, one hundred fifty-five million, forty-three thousand, two hundred thirty-three".