909229 has 4 divisors (see below), whose sum is σ = 911584. Its totient is φ = 906876.

The previous prime is 909217. The next prime is 909239. The reversal of 909229 is 922909.

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 a cyclic number.

It is not a de Polignac number, because 909229 - 2¹⁹ = 384941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 909229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909239) 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, 447 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (227896).

2⁹⁰⁹²²⁹ is an apocalyptic number.

It is an amenable number.

909229 is a deficient number, since it is larger than the sum of its proper divisors (2355).

909229 is a wasteful number, since it uses less digits than its factorization.

909229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 909229 is about 953.5350019795. The cubic root of 909229 is about 96.8778353662.

The spelling of 909229 in words is "nine hundred nine thousand, two hundred twenty-nine".