548223322845 has 32 divisors (see below), whose sum is σ = 957342317184. Its totient is φ = 265682073600.

The previous prime is 548223322817. The next prime is 548223322849.

548223322845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 548223322845 - 2⁶ = 548223322781 is a prime.

It is a super-2 number, since 2×548223322845² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 548223322794 and 548223322803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548223322849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412192 + ... + 1125321.

It is an arithmetic number, because the mean of its divisors is an integer number (29916947412).

Almost surely, 2^548223322845 is an apocalyptic number.

548223322845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

548223322845 is a deficient number, since it is larger than the sum of its proper divisors (409118994339).

548223322845 is a wasteful number, since it uses less digits than its factorization.

548223322845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539693.

The product of its digits is 3686400, while the sum is 48.

The spelling of 548223322845 in words is "five hundred forty-eight billion, two hundred twenty-three million, three hundred twenty-two thousand, eight hundred forty-five".