22154522160455 has 16 divisors (see below), whose sum is σ = 26607384403200. Its totient is φ = 17708982424320.

The previous prime is 22154522160443. The next prime is 22154522160479. The reversal of 22154522160455 is 55406122545122.

It is a de Polignac number, because none of the positive numbers 2^k-22154522160455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55844195 + ... + 56239515.

It is an arithmetic number, because the mean of its divisors is an integer number (1662961525200).

Almost surely, 2^{22154522160455} is an apocalyptic number.

22154522160455 is a deficient number, since it is larger than the sum of its proper divisors (4452862242745).

22154522160455 is a wasteful number, since it uses less digits than its factorization.

22154522160455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404554.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 22154522160455 in words is "twenty-two trillion, one hundred fifty-four billion, five hundred twenty-two million, one hundred sixty thousand, four hundred fifty-five".