234228388 has 6 divisors (see below), whose sum is σ = 409899686. Its totient is φ = 117114192.

The previous prime is 234228383. The next prime is 234228391. The reversal of 234228388 is 883822432.

234228388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133587364 + 100641024 = 11558^2 + 10032^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 234228388.

It is not an unprimeable number, because it can be changed into a prime (234228383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29278545 + ... + 29278552.

Almost surely, 2^234228388 is an apocalyptic number.

It is an amenable number.

234228388 is a deficient number, since it is larger than the sum of its proper divisors (175671298).

234228388 is a wasteful number, since it uses less digits than its factorization.

234228388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58557101 (or 58557099 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 234228388 is about 15304.5218154636. The cubic root of 234228388 is about 616.4244313098.

The spelling of 234228388 in words is "two hundred thirty-four million, two hundred twenty-eight thousand, three hundred eighty-eight".