22153212055 has 48 divisors (see below), whose sum is σ = 29392230240. Its totient is φ = 16018489344.

The previous prime is 22153212043. The next prime is 22153212061. The reversal of 22153212055 is 55021235122.

It is not a de Polignac number, because 22153212055 - 2⁹ = 22153211543 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 8045559 + ... + 8048311.

It is an arithmetic number, because the mean of its divisors is an integer number (612338130).

Almost surely, 2^22153212055 is an apocalyptic number.

22153212055 is a deficient number, since it is larger than the sum of its proper divisors (7239018185).

22153212055 is a wasteful number, since it uses less digits than its factorization.

22153212055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 22153212055 its reverse (55021235122), we get a palindrome (77174447177).

The spelling of 22153212055 in words is "twenty-two billion, one hundred fifty-three million, two hundred twelve thousand, fifty-five".