97882218 has 48 divisors (see below), whose sum is σ = 244632960. Its totient is φ = 27705888.

The previous prime is 97882193. The next prime is 97882229. The reversal of 97882218 is 81228879.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10171 + ... + 17297.

It is an arithmetic number, because the mean of its divisors is an integer number (5096520).

Almost surely, 2^97882218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97882218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122316480).

97882218 is an abundant number, since it is smaller than the sum of its proper divisors (146750742).

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

97882218 is a wasteful number, since it uses less digits than its factorization.

97882218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7251 (or 7248 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 97882218 is about 9893.5442587578. The cubic root of 97882218 is about 460.8588523013.

The spelling of 97882218 in words is "ninety-seven million, eight hundred eighty-two thousand, two hundred eighteen".