228171006 has 40 divisors (see below), whose sum is σ = 584313840. Its totient is φ = 65191392.

The previous prime is 228170983. The next prime is 228171007. The reversal of 228171006 is 600171822.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228171007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 99471 + ... + 101738.

It is an arithmetic number, because the mean of its divisors is an integer number (14607846).

Almost surely, 2^228171006 is an apocalyptic number.

228171006 is an abundant number, since it is smaller than the sum of its proper divisors (356142834).

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

228171006 is a wasteful number, since it uses less digits than its factorization.

228171006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201230 (or 201221 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 228171006 is about 15105.3303836758. The cubic root of 228171006 is about 611.0641694877.

The spelling of 228171006 in words is "two hundred twenty-eight million, one hundred seventy-one thousand, six".