22053210066 has 16 divisors (see below), whose sum is σ = 49007133600. Its totient is φ = 7351070004.

The previous prime is 22053210031. The next prime is 22053210079. The reversal of 22053210066 is 66001235022.

22053210066 is a `hidden beast` number, since 2 + 20 + 532 + 100 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 204196336 + ... + 204196443.

It is an arithmetic number, because the mean of its divisors is an integer number (3062945850).

Almost surely, 2^22053210066 is an apocalyptic number.

22053210066 is an abundant number, since it is smaller than the sum of its proper divisors (26953923534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22053210066 is a wasteful number, since it uses less digits than its factorization.

22053210066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408392790 (or 408392784 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 22053210066 its reverse (66001235022), we get a palindrome (88054445088).

The spelling of 22053210066 in words is "twenty-two billion, fifty-three million, two hundred ten thousand, sixty-six".