84491222219448 has 128 divisors (see below), whose sum is σ = 232720393939200. Its totient is φ = 25348997888000.

The previous prime is 84491222219413. The next prime is 84491222219507.

84491222219448 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×84491222219448² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84491222219391 and 84491222219400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1381244608 + ... + 1381305776.

It is an arithmetic number, because the mean of its divisors is an integer number (1818128077650).

Almost surely, 2^{84491222219448} is an apocalyptic number.

84491222219448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84491222219448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116360196969600).

84491222219448 is an abundant number, since it is smaller than the sum of its proper divisors (148229171719752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84491222219448 is a wasteful number, since it uses less digits than its factorization.

84491222219448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113093 (or 113089 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 60.

The spelling of 84491222219448 in words is "eighty-four trillion, four hundred ninety-one billion, two hundred twenty-two million, two hundred nineteen thousand, four hundred forty-eight".