548191222001 has 12 divisors (see below), whose sum is σ = 594198750132. Its totient is φ = 505302849504.

The previous prime is 548191221943. The next prime is 548191222049. The reversal of 548191222001 is 100222191845.

It can be written as a sum of positive squares in 2 ways, for example, as 383562216976 + 164629005025 = 619324^2 + 405745^2 .

It is not a de Polignac number, because 548191222001 - 2³⁰ = 547117480177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (548191222091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20507390 + ... + 20534103.

It is an arithmetic number, because the mean of its divisors is an integer number (49516562511).

Almost surely, 2^548191222001 is an apocalyptic number.

It is an amenable number.

548191222001 is a deficient number, since it is larger than the sum of its proper divisors (46007528131).

548191222001 is a wasteful number, since it uses less digits than its factorization.

548191222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41041568 (or 41041549 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 548191222001 in words is "five hundred forty-eight billion, one hundred ninety-one million, two hundred twenty-two thousand, one".