228758712 has 64 divisors (see below), whose sum is σ = 703879680. Its totient is φ = 60331392.

The previous prime is 228758683. The next prime is 228758731. The reversal of 228758712 is 217857822.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 50188 + ... + 54555.

It is an arithmetic number, because the mean of its divisors is an integer number (10998120).

Almost surely, 2^228758712 is an apocalyptic number.

It is an amenable number.

228758712 is an abundant number, since it is smaller than the sum of its proper divisors (475120968).

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

228758712 is a wasteful number, since it uses less digits than its factorization.

228758712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104772 (or 104768 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The square root of 228758712 is about 15124.7714693479. The cubic root of 228758712 is about 611.5883643138.

The spelling of 228758712 in words is "two hundred twenty-eight million, seven hundred fifty-eight thousand, seven hundred twelve".