248422268191 has 4 divisors (see below), whose sum is σ = 248424418800. Its totient is φ = 248420117584.

The previous prime is 248422268173. The next prime is 248422268203. The reversal of 248422268191 is 191862224842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248422268191 - 2¹³ = 248422259999 is a prime.

It is a super-2 number, since 2×248422268191² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248422208191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891571 + ... + 1136548.

It is an arithmetic number, because the mean of its divisors is an integer number (62106104700).

Almost surely, 2^248422268191 is an apocalyptic number.

248422268191 is a deficient number, since it is larger than the sum of its proper divisors (2150609).

248422268191 is a wasteful number, since it uses less digits than its factorization.

248422268191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150608.

The product of its digits is 884736, while the sum is 49.

The spelling of 248422268191 in words is "two hundred forty-eight billion, four hundred twenty-two million, two hundred sixty-eight thousand, one hundred ninety-one".