2209955 has 16 divisors (see below), whose sum is σ = 3020544. Its totient is φ = 1536480.

The previous prime is 2209939. The next prime is 2209957. The reversal of 2209955 is 5599022.

It is not a de Polignac number, because 2209955 - 2⁴ = 2209939 is a prime.

It is a super-2 number, since 2×2209955² = 9767802204050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2209957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (188784).

2^2209955 is an apocalyptic number.

2209955 is a deficient number, since it is larger than the sum of its proper divisors (810589).

2209955 is a wasteful number, since it uses less digits than its factorization.

2209955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 2209955 is about 1486.5917395169. The cubic root of 2209955 is about 130.2550220764.

The spelling of 2209955 in words is "two million, two hundred nine thousand, nine hundred fifty-five".