234225509 has 4 divisors (see below), whose sum is σ = 267686304. Its totient is φ = 200764716.

The previous prime is 234225499. The next prime is 234225527. The reversal of 234225509 is 905522432.

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 234225509 - 2⁴ = 234225493 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 (234225529) 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, 16730387 + ... + 16730400.

It is an arithmetic number, because the mean of its divisors is an integer number (66921576).

Almost surely, 2^234225509 is an apocalyptic number.

It is an amenable number.

234225509 is a deficient number, since it is larger than the sum of its proper divisors (33460795).

234225509 is an equidigital number, since it uses as much as digits as its factorization.

234225509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33460794.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 234225509 is about 15304.4277580052. The cubic root of 234225509 is about 616.4219057218.

The spelling of 234225509 in words is "two hundred thirty-four million, two hundred twenty-five thousand, five hundred nine".