234228913 has 4 divisors (see below), whose sum is σ = 234265408. Its totient is φ = 234192420.

The previous prime is 234228893. The next prime is 234228923. The reversal of 234228913 is 319822432.

It is a happy number.

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-234228913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234228923) 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, 5781 + ... + 22402.

It is an arithmetic number, because the mean of its divisors is an integer number (58566352).

Almost surely, 2^234228913 is an apocalyptic number.

It is an amenable number.

234228913 is a deficient number, since it is larger than the sum of its proper divisors (36495).

234228913 is an equidigital number, since it uses as much as digits as its factorization.

234228913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36494.

The product of its digits is 20736, while the sum is 34.

The square root of 234228913 is about 15304.5389672476. The cubic root of 234228913 is about 616.4248918611.

The spelling of 234228913 in words is "two hundred thirty-four million, two hundred twenty-eight thousand, nine hundred thirteen".