228009076 has 12 divisors (see below), whose sum is σ = 404482372. Its totient is φ = 112442688.

The previous prime is 228009071. The next prime is 228009161. The reversal of 228009076 is 670900822.

228009076 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68492176 + 159516900 = 8276^2 + 12630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228009071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390135 + ... + 390718.

Almost surely, 2^228009076 is an apocalyptic number.

It is an amenable number.

228009076 is a deficient number, since it is larger than the sum of its proper divisors (176473296).

228009076 is a wasteful number, since it uses less digits than its factorization.

228009076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780930 (or 780928 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 228009076 is about 15099.9694039425. The cubic root of 228009076 is about 610.9195805093.

Adding to 228009076 its reverse (670900822), we get a palindrome (898909898).

The spelling of 228009076 in words is "two hundred twenty-eight million, nine thousand, seventy-six".