2205636 has 24 divisors (see below), whose sum is σ = 5273184. Its totient is φ = 717120.

The previous prime is 2205629. The next prime is 2205649. The reversal of 2205636 is 6365022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (219716).

2^2205636 is an apocalyptic number.

It is an amenable number.

2205636 is an abundant number, since it is smaller than the sum of its proper divisors (3067548).

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

2205636 is a wasteful number, since it uses less digits than its factorization.

2205636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531 (or 4529 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2205636 is about 1485.1383773911. The cubic root of 2205636 is about 130.1701126063.

The spelling of 2205636 in words is "two million, two hundred five thousand, six hundred thirty-six".