2209441 has 4 divisors (see below), whose sum is σ = 2379412. Its totient is φ = 2039472.

The previous prime is 2209421. The next prime is 2209447. The reversal of 2209441 is 1449022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 2117025 = 304^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2209441 - 2⁵ = 2209409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2209447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84966 + ... + 84991.

It is an arithmetic number, because the mean of its divisors is an integer number (594853).

2^2209441 is an apocalyptic number.

It is an amenable number.

2209441 is a deficient number, since it is larger than the sum of its proper divisors (169971).

2209441 is a wasteful number, since it uses less digits than its factorization.

2209441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169970.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2209441 is about 1486.4188507954. The cubic root of 2209441 is about 130.2449228854.

It can be divided in two parts, 2209 and 441, that multiplied together give a square (974169 = 987²).

The spelling of 2209441 in words is "two million, two hundred nine thousand, four hundred forty-one".