22172111057765 has 8 divisors (see below), whose sum is σ = 26607144571008. Its totient is φ = 17737281311760.

The previous prime is 22172111057647. The next prime is 22172111057779. The reversal of 22172111057765 is 56775011127122.

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

It is not a de Polignac number, because 22172111057765 - 2⁴² = 17774064546661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50702321 + ... + 51137750.

It is an arithmetic number, because the mean of its divisors is an integer number (3325893071376).

Almost surely, 2^{22172111057765} is an apocalyptic number.

It is an amenable number.

22172111057765 is a deficient number, since it is larger than the sum of its proper divisors (4435033513243).

22172111057765 is a wasteful number, since it uses less digits than its factorization.

22172111057765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101883619.

The product of its (nonzero) digits is 411600, while the sum is 47.

The spelling of 22172111057765 in words is "twenty-two trillion, one hundred seventy-two billion, one hundred eleven million, fifty-seven thousand, seven hundred sixty-five".