23228212 has 24 divisors (see below), whose sum is σ = 47048960. Its totient is φ = 9828000.

The previous prime is 23228143. The next prime is 23228237. The reversal of 23228212 is 21282232.

It is a happy number.

It is a super-3 number, since 3×23228212³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3039 + ... + 7462.

Almost surely, 2^23228212 is an apocalyptic number.

It is an amenable number.

23228212 is an abundant number, since it is smaller than the sum of its proper divisors (23820748).

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

23228212 is a wasteful number, since it uses less digits than its factorization.

23228212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10591 (or 10589 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 23228212 is about 4819.5655405856. The cubic root of 23228212 is about 285.3241904418.

The spelling of 23228212 in words is "twenty-three million, two hundred twenty-eight thousand, two hundred twelve".