2229609 has 4 divisors (see below), whose sum is σ = 2972816. Its totient is φ = 1486404.

The previous prime is 2229599. The next prime is 2229653. The reversal of 2229609 is 9069222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2229609 - 2¹⁵ = 2196841 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2229659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371599 + ... + 371604.

It is an arithmetic number, because the mean of its divisors is an integer number (743204).

2^2229609 is an apocalyptic number.

It is an amenable number.

2229609 is a deficient number, since it is larger than the sum of its proper divisors (743207).

2229609 is an equidigital number, since it uses as much as digits as its factorization.

2229609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743206.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2229609 is about 1493.1875300846. The cubic root of 2229609 is about 130.6400194111.

The spelling of 2229609 in words is "two million, two hundred twenty-nine thousand, six hundred nine".