228141213 has 8 divisors (see below), whose sum is σ = 305372928. Its totient is φ = 151501824.

The previous prime is 228141181. The next prime is 228141229. The reversal of 228141213 is 312141822.

228141213 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 not a de Polignac number, because 228141213 - 2⁵ = 228141181 is a prime.

It is a super-2 number, since 2×228141213² = 104096826138222738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228141233) 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, 147181 + ... + 148722.

It is an arithmetic number, because the mean of its divisors is an integer number (38171616).

Almost surely, 2^228141213 is an apocalyptic number.

It is an amenable number.

228141213 is a deficient number, since it is larger than the sum of its proper divisors (77231715).

228141213 is a wasteful number, since it uses less digits than its factorization.

228141213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296163.

The product of its digits is 768, while the sum is 24.

The square root of 228141213 is about 15104.3441764282. The cubic root of 228141213 is about 611.0375721451.

The spelling of 228141213 in words is "two hundred twenty-eight million, one hundred forty-one thousand, two hundred thirteen".