228562311 has 16 divisors (see below), whose sum is σ = 315698400. Its totient is φ = 146915328.

The previous prime is 228562291. The next prime is 228562351. The reversal of 228562311 is 113265822.

It is not a de Polignac number, because 228562311 - 2⁷ = 228562183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228562351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83655 + ... + 86343.

It is an arithmetic number, because the mean of its divisors is an integer number (19731150).

Almost surely, 2^228562311 is an apocalyptic number.

228562311 is a deficient number, since it is larger than the sum of its proper divisors (87136089).

228562311 is a wasteful number, since it uses less digits than its factorization.

228562311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its digits is 5760, while the sum is 30.

The square root of 228562311 is about 15118.2773820300. The cubic root of 228562311 is about 611.4132876183.

The spelling of 228562311 in words is "two hundred twenty-eight million, five hundred sixty-two thousand, three hundred eleven".