2221150240 has 24 divisors (see below), whose sum is σ = 5247467820. Its totient is φ = 888460032.

The previous prime is 2221150213. The next prime is 2221150247. The reversal of 2221150240 is 420511222.

It can be written as a sum of positive squares in 2 ways, for example, as 2220671376 + 478864 = 47124^2 + 692^2 .

It is not an unprimeable number, because it can be changed into a prime (2221150247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6940935 + ... + 6941254.

Almost surely, 2^2221150240 is an apocalyptic number.

2221150240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221150240 is an abundant number, since it is smaller than the sum of its proper divisors (3026317580).

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

2221150240 is a wasteful number, since it uses less digits than its factorization.

2221150240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13882204 (or 13882196 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2221150240 is about 47129.0806190827. The cubic root of 2221150240 is about 1304.7460132142.

Adding to 2221150240 its reverse (420511222), we get a palindrome (2641661462).

The spelling of 2221150240 in words is "two billion, two hundred twenty-one million, one hundred fifty thousand, two hundred forty".