2209941 has 24 divisors (see below), whose sum is σ = 3361176. Its totient is φ = 1397760.

The previous prime is 2209939. The next prime is 2209957. The reversal of 2209941 is 1499022.

It can be written as a sum of positive squares in 4 ways, for example, as 22500 + 2187441 = 150^2 + 1479^2 .

It is not a de Polignac number, because 2209941 - 2¹ = 2209939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19501 + ... + 19613.

It is an arithmetic number, because the mean of its divisors is an integer number (140049).

2^2209941 is an apocalyptic number.

It is an amenable number.

2209941 is a deficient number, since it is larger than the sum of its proper divisors (1151235).

2209941 is a wasteful number, since it uses less digits than its factorization.

2209941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2209941 is about 1486.5870307520. The cubic root of 2209941 is about 130.2547470219.

The spelling of 2209941 in words is "two million, two hundred nine thousand, nine hundred forty-one".