234450228 has 12 divisors (see below), whose sum is σ = 547050560. Its totient is φ = 78150072.

The previous prime is 234450221. The next prime is 234450257. The reversal of 234450228 is 822054432.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×234450228³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234450195 and 234450204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234450221) 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 in 3 ways as a sum of consecutive naturals, for example, 9768748 + ... + 9768771.

Almost surely, 2^234450228 is an apocalyptic number.

It is an amenable number.

234450228 is an abundant number, since it is smaller than the sum of its proper divisors (312600332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234450228 is a wasteful number, since it uses less digits than its factorization.

234450228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19537526 (or 19537524 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 234450228 is about 15311.7676314657. The cubic root of 234450228 is about 616.6189771091.

The spelling of 234450228 in words is "two hundred thirty-four million, four hundred fifty thousand, two hundred twenty-eight".