2201545140 has 96 divisors (see below), whose sum is σ = 6411578880. Its totient is φ = 563936256.

The previous prime is 2201545117. The next prime is 2201545163. The reversal of 2201545140 is 415451022.

It is an interprime number because it is at equal distance from previous prime (2201545117) and next prime (2201545163).

It is a self number, because there is not a number n which added to its sum of digits gives 2201545140.

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, 169104 + ... + 181656.

It is an arithmetic number, because the mean of its divisors is an integer number (66787280).

Almost surely, 2^2201545140 is an apocalyptic number.

2201545140 is a gapful number since it is divisible by the number (20) 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 2201545140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3205789440).

2201545140 is an abundant number, since it is smaller than the sum of its proper divisors (4210033740).

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

2201545140 is a wasteful number, since it uses less digits than its factorization.

2201545140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681 (or 12679 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2201545140 is about 46920.6259549039. The cubic root of 2201545140 is about 1300.8958598182.

Adding to 2201545140 its reverse (415451022), we get a palindrome (2616996162).

The spelling of 2201545140 in words is "two billion, two hundred one million, five hundred forty-five thousand, one hundred forty".