22018470475547 has 16 divisors (see below), whose sum is σ = 27100629749760. Its totient is φ = 17420581408032.

The previous prime is 22018470475457. The next prime is 22018470475549. The reversal of 22018470475547 is 74557407481022.

It is a cyclic number.

It is not a de Polignac number, because 22018470475547 - 2²⁴ = 22018453698331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22018470475492 and 22018470475501.

It is not an unprimeable number, because it can be changed into a prime (22018470475549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1792643 + ... + 6873900.

It is an arithmetic number, because the mean of its divisors is an integer number (1693789359360).

Almost surely, 2^{22018470475547} is an apocalyptic number.

22018470475547 is a deficient number, since it is larger than the sum of its proper divisors (5082159274213).

22018470475547 is a wasteful number, since it uses less digits than its factorization.

22018470475547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8694482.

The product of its (nonzero) digits is 17561600, while the sum is 56.

The spelling of 22018470475547 in words is "twenty-two trillion, eighteen billion, four hundred seventy million, four hundred seventy-five thousand, five hundred forty-seven".