22155440133 has 8 divisors (see below), whose sum is σ = 29544922368. Its totient is φ = 14768125664.

The previous prime is 22155440129. The next prime is 22155440141. The reversal of 22155440133 is 33104455122.

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 22155440133 - 2² = 22155440129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22155440133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155440173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517941 + ... + 559082.

It is an arithmetic number, because the mean of its divisors is an integer number (3693115296).

Almost surely, 2^22155440133 is an apocalyptic number.

It is an amenable number.

22155440133 is a deficient number, since it is larger than the sum of its proper divisors (7389482235).

22155440133 is a wasteful number, since it uses less digits than its factorization.

22155440133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083883.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22155440133 its reverse (33104455122), we get a palindrome (55259895255).

The spelling of 22155440133 in words is "twenty-two billion, one hundred fifty-five million, four hundred forty thousand, one hundred thirty-three".