2245005 has 24 divisors (see below), whose sum is σ = 4447872. Its totient is φ = 1026144.

The previous prime is 2244973. The next prime is 2245013. The reversal of 2245005 is 5005422.

It is not a de Polignac number, because 2245005 - 2⁵ = 2244973 is a prime.

2245005 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3249 + ... + 3878.

It is an arithmetic number, because the mean of its divisors is an integer number (185328).

2^2245005 is an apocalyptic number.

It is an amenable number.

2245005 is a deficient number, since it is larger than the sum of its proper divisors (2202867).

2245005 is a wasteful number, since it uses less digits than its factorization.

2245005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145 (or 7142 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2245005 is about 1498.3340748979. The cubic root of 2245005 is about 130.9400304343.

The spelling of 2245005 in words is "two million, two hundred forty-five thousand, five".