2209338 has 12 divisors (see below), whose sum is σ = 4786938. Its totient is φ = 736440.

The previous prime is 2209331. The next prime is 2209343. The reversal of 2209338 is 8339022.

2209338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 762129 = 1203^2 + 873^2 .

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2209331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61353 + ... + 61388.

2^2209338 is an apocalyptic number.

2209338 is an abundant number, since it is smaller than the sum of its proper divisors (2577600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2209338 is a wasteful number, since it uses less digits than its factorization.

2209338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122749 (or 122746 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2209338 is about 1486.3842033606. The cubic root of 2209338 is about 130.2428989292.

The spelling of 2209338 in words is "two million, two hundred nine thousand, three hundred thirty-eight".