228013330 has 8 divisors (see below), whose sum is σ = 410424012. Its totient is φ = 91205328.

The previous prime is 228013307. The next prime is 228013343. The reversal of 228013330 is 33310822.

It is a happy number.

228013330 is digitally balanced in base 2, because in such base 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 225570361 + 2442969 = 15019^2 + 1563^2 .

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

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, 11400657 + ... + 11400676.

Almost surely, 2^228013330 is an apocalyptic number.

228013330 is a deficient number, since it is larger than the sum of its proper divisors (182410682).

228013330 is a wasteful number, since it uses less digits than its factorization.

228013330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22801340.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 228013330 is about 15100.1102644981. The cubic root of 228013330 is about 610.9233798255.

The spelling of 228013330 in words is "two hundred twenty-eight million, thirteen thousand, three hundred thirty".