233272228 has 24 divisors (see below), whose sum is σ = 470679552. Its totient is φ = 99087744.

The previous prime is 233272211. The next prime is 233272261. The reversal of 233272228 is 822272332.

It is a self number, because there is not a number n which added to its sum of digits gives 233272228.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33700 + ... + 40027.

It is an arithmetic number, because the mean of its divisors is an integer number (19611648).

Almost surely, 2^233272228 is an apocalyptic number.

233272228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

233272228 is an abundant number, since it is smaller than the sum of its proper divisors (237407324).

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

233272228 is a wasteful number, since it uses less digits than its factorization.

233272228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73851 (or 73849 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 233272228 is about 15273.2520440147. The cubic root of 233272228 is about 615.5845043424.

The spelling of 233272228 in words is "two hundred thirty-three million, two hundred seventy-two thousand, two hundred twenty-eight".