2201530170 has 64 divisors (see below), whose sum is σ = 6078560256. Its totient is φ = 499867200.

The previous prime is 2201530151. The next prime is 2201530181. The reversal of 2201530170 is 710351022.

2201530170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 3004 + ... + 66423.

It is an arithmetic number, because the mean of its divisors is an integer number (94977504).

Almost surely, 2^2201530170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201530170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3039280128).

2201530170 is an abundant number, since it is smaller than the sum of its proper divisors (3877030086).

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

2201530170 is a wasteful number, since it uses less digits than its factorization.

2201530170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69595.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2201530170 is about 46920.4664299067. The cubic root of 2201530170 is about 1300.8929112141.

Adding to 2201530170 its reverse (710351022), we get a palindrome (2911881192).

The spelling of 2201530170 in words is "two billion, two hundred one million, five hundred thirty thousand, one hundred seventy".