228118413 has 8 divisors (see below), whose sum is σ = 309896928. Its totient is φ = 149209424.

The previous prime is 228118403. The next prime is 228118421. The reversal of 228118413 is 314811822.

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 228118413 - 2¹³ = 228110221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228118403) 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, 717195 + ... + 717512.

It is an arithmetic number, because the mean of its divisors is an integer number (38737116).

Almost surely, 2^228118413 is an apocalyptic number.

It is an amenable number.

228118413 is a deficient number, since it is larger than the sum of its proper divisors (81778515).

228118413 is a wasteful number, since it uses less digits than its factorization.

228118413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434763.

The product of its digits is 3072, while the sum is 30.

The square root of 228118413 is about 15103.5894078196. The cubic root of 228118413 is about 611.0172161551.

It can be divided in two parts, 22 and 8118413, that added together give a triangular number (8118435 = T₄₀₂₉).

The spelling of 228118413 in words is "two hundred twenty-eight million, one hundred eighteen thousand, four hundred thirteen".