229423521 has 8 divisors (see below), whose sum is σ = 306670144. Its totient is φ = 152562960.

The previous prime is 229423489. The next prime is 229423543. The reversal of 229423521 is 125324922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229423521 - 2⁵ = 229423489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229423021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95125 + ... + 97506.

It is an arithmetic number, because the mean of its divisors is an integer number (38333768).

Almost surely, 2^229423521 is an apocalyptic number.

It is an amenable number.

229423521 is a deficient number, since it is larger than the sum of its proper divisors (77246623).

229423521 is a wasteful number, since it uses less digits than its factorization.

229423521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193031.

The product of its digits is 8640, while the sum is 30.

The square root of 229423521 is about 15146.7330140859. The cubic root of 229423521 is about 612.1802488209.

The spelling of 229423521 in words is "two hundred twenty-nine million, four hundred twenty-three thousand, five hundred twenty-one".