22172071163546 has 8 divisors (see below), whose sum is σ = 33261575857920. Its totient is φ = 11084879210908.

The previous prime is 22172071163531. The next prime is 22172071163573. The reversal of 22172071163546 is 64536117027122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22172071163546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578161466 + ... + 578199813.

It is an arithmetic number, because the mean of its divisors is an integer number (4157696982240).

Almost surely, 2^{22172071163546} is an apocalyptic number.

22172071163546 is a deficient number, since it is larger than the sum of its proper divisors (11089504694374).

22172071163546 is a wasteful number, since it uses less digits than its factorization.

22172071163546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156370868.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 22172071163546 in words is "twenty-two trillion, one hundred seventy-two billion, seventy-one million, one hundred sixty-three thousand, five hundred forty-six".