548494222494845 has 16 divisors (see below), whose sum is σ = 718030311046272. Its totient is φ = 398904049815360.

The previous prime is 548494222494821. The next prime is 548494222494871.

548494222494845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 548494222494845 - 2⁴² = 544096175983741 is a prime.

It is a super-2 number, since 2×548494222494845² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16514459 + ... + 37009671.

It is an arithmetic number, because the mean of its divisors is an integer number (44876894440392).

Almost surely, 2^{548494222494845} is an apocalyptic number.

548494222494845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

548494222494845 is a deficient number, since it is larger than the sum of its proper divisors (169536088551427).

548494222494845 is a wasteful number, since it uses less digits than its factorization.

548494222494845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20981812.

The product of its digits is 4246732800, while the sum is 74.

The spelling of 548494222494845 in words is "five hundred forty-eight trillion, four hundred ninety-four billion, two hundred twenty-two million, four hundred ninety-four thousand, eight hundred forty-five".