2209361 has 12 divisors (see below), whose sum is σ = 2804400. Its totient is φ = 1721160.

The previous prime is 2209343. The next prime is 2209409. The reversal of 2209361 is 1639022.

It is not a de Polignac number, because 2209361 - 2¹⁰ = 2208337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209331) 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, 1511 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (233700).

2^2209361 is an apocalyptic number.

It is an amenable number.

2209361 is a deficient number, since it is larger than the sum of its proper divisors (595039).

2209361 is a wasteful number, since it uses less digits than its factorization.

2209361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124 (or 4117 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2209361 is about 1486.3919402365. The cubic root of 2209361 is about 130.2433508861.

It can be divided in two parts, 2209 and 361, that multiplied together give a square (797449 = 893²).

The spelling of 2209361 in words is "two million, two hundred nine thousand, three hundred sixty-one".