2213158528 has 64 divisors (see below), whose sum is σ = 5088021120. Its totient is φ = 939248640.

The previous prime is 2213158523. The next prime is 2213158531. The reversal of 2213158528 is 8258513122.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2213158523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 80298 + ... + 104278.

It is an arithmetic number, because the mean of its divisors is an integer number (79500330).

Almost surely, 2^2213158528 is an apocalyptic number.

2213158528 is a gapful number since it is divisible by the number (28) 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 2213158528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2544010560).

2213158528 is an abundant number, since it is smaller than the sum of its proper divisors (2874862592).

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

2213158528 is a wasteful number, since it uses less digits than its factorization.

2213158528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24105 (or 24093 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 2213158528 is about 47044.2188584315. The cubic root of 2213158528 is about 1303.1793046841.

The spelling of 2213158528 in words is "two billion, two hundred thirteen million, one hundred fifty-eight thousand, five hundred twenty-eight".