23283228 has 12 divisors (see below), whose sum is σ = 54327560. Its totient is φ = 7761072.

The previous prime is 23283223. The next prime is 23283241. The reversal of 23283228 is 82238232.

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

It is a junction number, because it is equal to n+sod(n) for n = 23283195 and 23283204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23283223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970123 + ... + 970146.

Almost surely, 2^23283228 is an apocalyptic number.

It is an amenable number.

23283228 is an abundant number, since it is smaller than the sum of its proper divisors (31044332).

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

23283228 is a wasteful number, since it uses less digits than its factorization.

23283228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940276 (or 1940274 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 23283228 is about 4825.2697333931. The cubic root of 23283228 is about 285.5492761960.

The spelling of 23283228 in words is "twenty-three million, two hundred eighty-three thousand, two hundred twenty-eight".