2440221187 has 2 divisors, whose sum is σ = 2440221188. Its totient is φ = 2440221186.

The previous prime is 2440221131. The next prime is 2440221197. The reversal of 2440221187 is 7811220442.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2440221187 - 2¹¹ = 2440219139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2440221197) by changing a digit.

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 as a sum of consecutive naturals, namely, 1220110593 + 1220110594.

It is an arithmetic number, because the mean of its divisors is an integer number (1220110594).

Almost surely, 2^2440221187 is an apocalyptic number.

2440221187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440221187 is an equidigital number, since it uses as much as digits as its factorization.

2440221187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2440221187 is about 49398.5949901412. The cubic root of 2440221187 is about 1346.3037779911.

The spelling of 2440221187 in words is "two billion, four hundred forty million, two hundred twenty-one thousand, one hundred eighty-seven".