228230445 has 8 divisors (see below), whose sum is σ = 365168736. Its totient is φ = 121722896.

The previous prime is 228230441. The next prime is 228230501. The reversal of 228230445 is 544032822.

228230445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228230445 - 2² = 228230441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228230441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7607667 + ... + 7607696.

It is an arithmetic number, because the mean of its divisors is an integer number (45646092).

Almost surely, 2^228230445 is an apocalyptic number.

It is an amenable number.

228230445 is a deficient number, since it is larger than the sum of its proper divisors (136938291).

228230445 is a wasteful number, since it uses less digits than its factorization.

228230445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15215371.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 228230445 is about 15107.2977398342. The cubic root of 228230445 is about 611.1172260239.

The spelling of 228230445 in words is "two hundred twenty-eight million, two hundred thirty thousand, four hundred forty-five".