229492229 has 4 divisors (see below), whose sum is σ = 239470176. Its totient is φ = 219514284.

The previous prime is 229492223. The next prime is 229492273. The reversal of 229492229 is 922294922.

229492229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-229492229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229492223) 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, 4988939 + ... + 4988984.

It is an arithmetic number, because the mean of its divisors is an integer number (59867544).

Almost surely, 2^229492229 is an apocalyptic number.

It is an amenable number.

229492229 is a deficient number, since it is larger than the sum of its proper divisors (9977947).

229492229 is an equidigital number, since it uses as much as digits as its factorization.

229492229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977946.

The product of its digits is 93312, while the sum is 41.

The square root of 229492229 is about 15149.0009241534. Note that the first 3 decimals coincide. The cubic root of 229492229 is about 612.2413548519.

The spelling of 229492229 in words is "two hundred twenty-nine million, four hundred ninety-two thousand, two hundred twenty-nine".