229009273 has 4 divisors (see below), whose sum is σ = 231232768. Its totient is φ = 226785780.

The previous prime is 229009219. The next prime is 229009349. The reversal of 229009273 is 372900922.

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 229009273 - 2⁹ = 229008761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229009213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111593 + ... + 1111798.

It is an arithmetic number, because the mean of its divisors is an integer number (57808192).

Almost surely, 2^229009273 is an apocalyptic number.

It is an amenable number.

229009273 is a deficient number, since it is larger than the sum of its proper divisors (2223495).

229009273 is a wasteful number, since it uses less digits than its factorization.

229009273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223494.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 229009273 is about 15133.0523358640. The cubic root of 229009273 is about 611.8115751612.

The spelling of 229009273 in words is "two hundred twenty-nine million, nine thousand, two hundred seventy-three".