228731206 has 16 divisors (see below), whose sum is σ = 386362368. Its totient is φ = 100614600.

The previous prime is 228731203. The next prime is 228731221. The reversal of 228731206 is 602137822.

228731206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228731201) 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, 167010 + ... + 168373.

It is an arithmetic number, because the mean of its divisors is an integer number (24147648).

Almost surely, 2^228731206 is an apocalyptic number.

228731206 is a deficient number, since it is larger than the sum of its proper divisors (157631162).

228731206 is a wasteful number, since it uses less digits than its factorization.

228731206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335427.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 228731206 is about 15123.8621390173. The cubic root of 228731206 is about 611.5638508229.

The spelling of 228731206 in words is "two hundred twenty-eight million, seven hundred thirty-one thousand, two hundred six".