2223009 has 6 divisors (see below), whose sum is σ = 3211026. Its totient is φ = 1482000.

The previous prime is 2223007. The next prime is 2223031. The reversal of 2223009 is 9003222.

2223009 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., 1272384 + 950625 = 1128^2 + 975^2 .

It is not a de Polignac number, because 2223009 - 2¹ = 2223007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2222982 and 2223000.

It is not an unprimeable number, because it can be changed into a prime (2223007) 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, 123492 + ... + 123509.

It is an arithmetic number, because the mean of its divisors is an integer number (535171).

2^2223009 is an apocalyptic number.

It is an amenable number.

2223009 is a deficient number, since it is larger than the sum of its proper divisors (988017).

2223009 is a wasteful number, since it uses less digits than its factorization.

2223009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247007 (or 247004 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2223009 is about 1490.9758549353. The cubic root of 2223009 is about 130.5109868761.

The spelling of 2223009 in words is "two million, two hundred twenty-three thousand, nine".