22166556234 has 8 divisors (see below), whose sum is σ = 44333112480. Its totient is φ = 7388852076.

The previous prime is 22166556221. The next prime is 22166556253. The reversal of 22166556234 is 43265566122.

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

22166556234 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 1847213014 + ... + 1847213025.

It is an arithmetic number, because the mean of its divisors is an integer number (5541639060).

Almost surely, 2^22166556234 is an apocalyptic number.

22166556234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22166556234 is a wasteful number, since it uses less digits than its factorization.

22166556234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694426044.

The product of its digits is 518400, while the sum is 42.

The spelling of 22166556234 in words is "twenty-two billion, one hundred sixty-six million, five hundred fifty-six thousand, two hundred thirty-four".