22172111057766 has 8 divisors (see below), whose sum is σ = 44344222115544. Its totient is φ = 7390703685920.

The previous prime is 22172111057647. The next prime is 22172111057779. The reversal of 22172111057766 is 66775011127122.

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

22172111057766 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1847675921475 + ... + 1847675921486.

It is an arithmetic number, because the mean of its divisors is an integer number (5543027764443).

Almost surely, 2^{22172111057766} is an apocalyptic number.

22172111057766 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.

22172111057766 is a wasteful number, since it uses less digits than its factorization.

22172111057766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695351842966.

The product of its (nonzero) digits is 493920, while the sum is 48.

The spelling of 22172111057766 in words is "twenty-two trillion, one hundred seventy-two billion, one hundred eleven million, fifty-seven thousand, seven hundred sixty-six".