22555252166633 has 4 divisors (see below), whose sum is σ = 23164853576580. Its totient is φ = 21945650756688.

The previous prime is 22555252166609. The next prime is 22555252166659. The reversal of 22555252166633 is 33666125255522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16010905857769 + 6544346308864 = 4001363^2 + 2558192^2 .

It is a cyclic number.

It is not a de Polignac number, because 22555252166633 - 2¹⁶ = 22555252101097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22555252166033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304800704918 + ... + 304800704991.

It is an arithmetic number, because the mean of its divisors is an integer number (5791213394145).

Almost surely, 2^{22555252166633} is an apocalyptic number.

It is an amenable number.

22555252166633 is a deficient number, since it is larger than the sum of its proper divisors (609601409947).

22555252166633 is an equidigital number, since it uses as much as digits as its factorization.

22555252166633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609601409946.

The product of its digits is 19440000, while the sum is 53.

The spelling of 22555252166633 in words is "twenty-two trillion, five hundred fifty-five billion, two hundred fifty-two million, one hundred sixty-six thousand, six hundred thirty-three".