2209401 has 12 divisors (see below), whose sum is σ = 3294720. Its totient is φ = 1425240.

The previous prime is 2209343. The next prime is 2209409. The reversal of 2209401 is 1049022.

It is not a de Polignac number, because 2209401 - 2⁹ = 2208889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2209409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3681 + ... + 4238.

It is an arithmetic number, because the mean of its divisors is an integer number (274560).

2^2209401 is an apocalyptic number.

It is an amenable number.

2209401 is a deficient number, since it is larger than the sum of its proper divisors (1085319).

2209401 is a wasteful number, since it uses less digits than its factorization.

2209401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956 (or 7953 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2209401 is about 1486.4053955769. The cubic root of 2209401 is about 130.2441368905.

The spelling of 2209401 in words is "two million, two hundred nine thousand, four hundred one".