228135373 has 8 divisors (see below), whose sum is σ = 240456600. Its totient is φ = 216111168.

The previous prime is 228135343. The next prime is 228135409. The reversal of 228135373 is 373531822.

228135373 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 4 ways, for example, as 24730729 + 203404644 = 4973^2 + 14262^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228135373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228135343) 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, 72678 + ... + 75751.

It is an arithmetic number, because the mean of its divisors is an integer number (30057075).

Almost surely, 2^228135373 is an apocalyptic number.

It is an amenable number.

228135373 is a deficient number, since it is larger than the sum of its proper divisors (12321227).

228135373 is a wasteful number, since it uses less digits than its factorization.

228135373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148511.

The product of its digits is 30240, while the sum is 34.

The square root of 228135373 is about 15104.1508533251. The cubic root of 228135373 is about 611.0323582839.

The spelling of 228135373 in words is "two hundred twenty-eight million, one hundred thirty-five thousand, three hundred seventy-three".