2245005187 has 2 divisors, whose sum is σ = 2245005188. Its totient is φ = 2245005186.

The previous prime is 2245005181. The next prime is 2245005209. The reversal of 2245005187 is 7815005422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2245005187 - 2¹¹ = 2245003139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245005181) 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, 1122502593 + 1122502594.

It is an arithmetic number, because the mean of its divisors is an integer number (1122502594).

Almost surely, 2^2245005187 is an apocalyptic number.

2245005187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245005187 is an equidigital number, since it uses as much as digits as its factorization.

2245005187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 2245005187 is about 47381.4856985300. The cubic root of 2245005187 is about 1309.4003406992.

The spelling of 2245005187 in words is "two billion, two hundred forty-five million, five thousand, one hundred eighty-seven".