228212652 has 24 divisors (see below), whose sum is σ = 532944832. Its totient is φ = 76006800.

The previous prime is 228212639. The next prime is 228212701. The reversal of 228212652 is 256212822.

228212652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 8127 + ... + 22857.

Almost surely, 2^228212652 is an apocalyptic number.

It is an amenable number.

228212652 is an abundant number, since it is smaller than the sum of its proper divisors (304732180).

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

228212652 is a wasteful number, since it uses less digits than its factorization.

228212652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16029 (or 16027 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 228212652 is about 15106.7088407767. The cubic root of 228212652 is about 611.1013445736.

The spelling of 228212652 in words is "two hundred twenty-eight million, two hundred twelve thousand, six hundred fifty-two".