2245660 has 24 divisors (see below), whose sum is σ = 4818240. Its totient is φ = 878784.

The previous prime is 2245657. The next prime is 2245679. The reversal of 2245660 is 665422.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 255 + ... + 2134.

It is an arithmetic number, because the mean of its divisors is an integer number (200760).

2^2245660 is an apocalyptic number.

2245660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2245660 is an abundant number, since it is smaller than the sum of its proper divisors (2572580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2245660 is a wasteful number, since it uses less digits than its factorization.

2245660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2245660 is about 1498.5526350449. The cubic root of 2245660 is about 130.9527634988.

The spelling of 2245660 in words is "two million, two hundred forty-five thousand, six hundred sixty".