2205501540 has 48 divisors (see below), whose sum is σ = 6736806720. Its totient is φ = 534666880.

The previous prime is 2205501509. The next prime is 2205501553. The reversal of 2205501540 is 451055022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2205501540.

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 15 ways as a sum of consecutive naturals, for example, 1670175 + ... + 1671494.

It is an arithmetic number, because the mean of its divisors is an integer number (140350140).

Almost surely, 2^2205501540 is an apocalyptic number.

2205501540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205501540 is an abundant number, since it is smaller than the sum of its proper divisors (4531305180).

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

2205501540 is a wasteful number, since it uses less digits than its factorization.

2205501540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341692 (or 3341690 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2205501540 is about 46962.7675930625. The cubic root of 2205501540 is about 1301.6746740875.

Adding to 2205501540 its reverse (451055022), we get a palindrome (2656556562).

The spelling of 2205501540 in words is "two billion, two hundred five million, five hundred one thousand, five hundred forty".