2201236540 has 48 divisors (see below), whose sum is σ = 4755687552. Its totient is φ = 855420416.

The previous prime is 2201236537. The next prime is 2201236553. The reversal of 2201236540 is 456321022.

It is a congruent number.

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, 120234 + ... + 137326.

It is an arithmetic number, because the mean of its divisors is an integer number (99076824).

Almost surely, 2^2201236540 is an apocalyptic number.

2201236540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201236540 is an abundant number, since it is smaller than the sum of its proper divisors (2554451012).

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

2201236540 is a wasteful number, since it uses less digits than its factorization.

2201236540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17286 (or 17284 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2201236540 is about 46917.3373072258. The cubic root of 2201236540 is about 1300.8350729320.

Adding to 2201236540 its reverse (456321022), we get a palindrome (2657557562).

The spelling of 2201236540 in words is "two billion, two hundred one million, two hundred thirty-six thousand, five hundred forty".