234401228 has 6 divisors (see below), whose sum is σ = 410202156. Its totient is φ = 117200612.

The previous prime is 234401227. The next prime is 234401231. The reversal of 234401228 is 822104432.

It is a junction number, because it is equal to n+sod(n) for n = 234401197 and 234401206.

It is not an unprimeable number, because it can be changed into a prime (234401221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29300150 + ... + 29300157.

It is an arithmetic number, because the mean of its divisors is an integer number (68367026).

Almost surely, 2^234401228 is an apocalyptic number.

It is an amenable number.

234401228 is a deficient number, since it is larger than the sum of its proper divisors (175800928).

234401228 is a wasteful number, since it uses less digits than its factorization.

234401228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58600311 (or 58600309 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 234401228 is about 15310.1674713244. The cubic root of 234401228 is about 616.5760164129.

The spelling of 234401228 in words is "two hundred thirty-four million, four hundred one thousand, two hundred twenty-eight".