228135337 has 4 divisors (see below), whose sum is σ = 240142480. Its totient is φ = 216128196.

The previous prime is 228135301. The next prime is 228135343. The reversal of 228135337 is 733531822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228135337 - 2²³ = 219746729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228135437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6003543 + ... + 6003580.

It is an arithmetic number, because the mean of its divisors is an integer number (60035620).

Almost surely, 2^228135337 is an apocalyptic number.

It is an amenable number.

228135337 is a deficient number, since it is larger than the sum of its proper divisors (12007143).

228135337 is a wasteful number, since it uses less digits than its factorization.

228135337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007142.

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

The square root of 228135337 is about 15104.1496615996. The cubic root of 228135337 is about 611.0323261434.

The spelling of 228135337 in words is "two hundred twenty-eight million, one hundred thirty-five thousand, three hundred thirty-seven".