2245187 has 4 divisors (see below), whose sum is σ = 2565936. Its totient is φ = 1924440.

The previous prime is 2245183. The next prime is 2245189. The reversal of 2245187 is 7815422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2245187 - 2² = 2245183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245183) 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, 160364 + ... + 160377.

It is an arithmetic number, because the mean of its divisors is an integer number (641484).

2^2245187 is an apocalyptic number.

2245187 is a deficient number, since it is larger than the sum of its proper divisors (320749).

2245187 is an equidigital number, since it uses as much as digits as its factorization.

2245187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320748.

The product of its digits is 4480, while the sum is 29.

The square root of 2245187 is about 1498.3948077860. The cubic root of 2245187 is about 130.9435687251.

The spelling of 2245187 in words is "two million, two hundred forty-five thousand, one hundred eighty-seven".