2229909 has 12 divisors (see below), whose sum is σ = 3268608. Its totient is φ = 1351240.

The previous prime is 2229893. The next prime is 2229917. The reversal of 2229909 is 9099222.

It is not a de Polignac number, because 2229909 - 2⁴ = 2229893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2229909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2709 + ... + 3434.

It is an arithmetic number, because the mean of its divisors is an integer number (272384).

2^2229909 is an apocalyptic number.

It is an amenable number.

2229909 is a deficient number, since it is larger than the sum of its proper divisors (1038699).

2229909 is a wasteful number, since it uses less digits than its factorization.

2229909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168 (or 6157 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2229909 is about 1493.2879829423. The cubic root of 2229909 is about 130.6458784725.

The spelling of 2229909 in words is "two million, two hundred twenty-nine thousand, nine hundred nine".