228730612 has 12 divisors (see below), whose sum is σ = 436667616. Its totient is φ = 103968440.

The previous prime is 228730589. The next prime is 228730637. The reversal of 228730612 is 216037822.

228730612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2599168 + ... + 2599255.

It is an arithmetic number, because the mean of its divisors is an integer number (36388968).

Almost surely, 2^228730612 is an apocalyptic number.

228730612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

228730612 is a deficient number, since it is larger than the sum of its proper divisors (207937004).

228730612 is a wasteful number, since it uses less digits than its factorization.

228730612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198438 (or 5198436 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 228730612 is about 15123.8425011635. The cubic root of 228730612 is about 611.5633214253.

The spelling of 228730612 in words is "two hundred twenty-eight million, seven hundred thirty thousand, six hundred twelve".