228312006 has 32 divisors (see below), whose sum is σ = 520678368. Its totient is φ = 66117120.

The previous prime is 228311977. The next prime is 228312013. The reversal of 228312006 is 600213822.

228312006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84765 + ... + 87416.

It is an arithmetic number, because the mean of its divisors is an integer number (16271199).

Almost surely, 2^228312006 is an apocalyptic number.

228312006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

228312006 is an abundant number, since it is smaller than the sum of its proper divisors (292366362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228312006 is a wasteful number, since it uses less digits than its factorization.

228312006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172216.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 228312006 is about 15109.9968894768. The cubic root of 228312006 is about 611.1900141451.

Adding to 228312006 its reverse (600213822), we get a palindrome (828525828).

The spelling of 228312006 in words is "two hundred twenty-eight million, three hundred twelve thousand, six".