22146045177 has 8 divisors (see below), whose sum is σ = 30085193664. Its totient is φ = 14485463408.

The previous prime is 22146045161. The next prime is 22146045191. The reversal of 22146045177 is 77154064122.

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

It is a cyclic number.

It is not a de Polignac number, because 22146045177 - 2⁴ = 22146045161 is a prime.

It is a super-2 number, since 2×22146045177² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22146045377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69641493 + ... + 69641810.

It is an arithmetic number, because the mean of its divisors is an integer number (3760649208).

Almost surely, 2^22146045177 is an apocalyptic number.

It is an amenable number.

22146045177 is a deficient number, since it is larger than the sum of its proper divisors (7939148487).

22146045177 is a wasteful number, since it uses less digits than its factorization.

22146045177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139283359.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 22146045177 in words is "twenty-two billion, one hundred forty-six million, forty-five thousand, one hundred seventy-seven".