2209268 has 6 divisors (see below), whose sum is σ = 3866226. Its totient is φ = 1104632.

The previous prime is 2209267. The next prime is 2209283. The reversal of 2209268 is 8629022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2137444 + 71824 = 1462^2 + 268^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2209268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276155 + ... + 276162.

It is an arithmetic number, because the mean of its divisors is an integer number (644371).

2^2209268 is an apocalyptic number.

It is an amenable number.

2209268 is a deficient number, since it is larger than the sum of its proper divisors (1656958).

2209268 is a wasteful number, since it uses less digits than its factorization.

2209268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552321 (or 552319 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2209268 is about 1486.3606560993. The cubic root of 2209268 is about 130.2415233891.

The spelling of 2209268 in words is "two million, two hundred nine thousand, two hundred sixty-eight".