2198526528 has 112 divisors (see below), whose sum is σ = 6378854400. Its totient is φ = 662745600.

The previous prime is 2198526523. The next prime is 2198526557. The reversal of 2198526528 is 8256258912.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2198526523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417673 + ... + 422903.

Almost surely, 2^2198526528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2198526528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3189427200).

2198526528 is an abundant number, since it is smaller than the sum of its proper divisors (4180327872).

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

2198526528 is a wasteful number, since it uses less digits than its factorization.

2198526528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5446 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 2198526528 is about 46888.4477030324. The cubic root of 2198526528 is about 1300.3010206273.

The spelling of 2198526528 in words is "two billion, one hundred ninety-eight million, five hundred twenty-six thousand, five hundred twenty-eight".