229213733 has 4 divisors (see below), whose sum is σ = 261958560. Its totient is φ = 196468908.

The previous prime is 229213729. The next prime is 229213757. The reversal of 229213733 is 337312922.

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 229213733 - 2² = 229213729 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 229213733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229213723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16372403 + ... + 16372416.

It is an arithmetic number, because the mean of its divisors is an integer number (65489640).

Almost surely, 2^229213733 is an apocalyptic number.

It is an amenable number.

229213733 is a deficient number, since it is larger than the sum of its proper divisors (32744827).

229213733 is an equidigital number, since it uses as much as digits as its factorization.

229213733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32744826.

The product of its digits is 13608, while the sum is 32.

The square root of 229213733 is about 15139.8062405039. The cubic root of 229213733 is about 611.9935965910.

The spelling of 229213733 in words is "two hundred twenty-nine million, two hundred thirteen thousand, seven hundred thirty-three".