2245605 has 24 divisors (see below), whose sum is σ = 3769248. Its totient is φ = 1141536.

The previous prime is 2245597. The next prime is 2245619. The reversal of 2245605 is 5065422.

It is not a de Polignac number, because 2245605 - 2³ = 2245597 is a prime.

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, 7794 + ... + 8076.

It is an arithmetic number, because the mean of its divisors is an integer number (157052).

2^2245605 is an apocalyptic number.

It is an amenable number.

2245605 is a deficient number, since it is larger than the sum of its proper divisors (1523643).

2245605 is a wasteful number, since it uses less digits than its factorization.

2245605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2245605 is about 1498.5342838921. The cubic root of 2245605 is about 130.9516944054.

It can be divided in two parts, 2245 and 605, that added together give a triangular number (2850 = T₇₅).

The spelling of 2245605 in words is "two million, two hundred forty-five thousand, six hundred five".