228023000 has 32 divisors (see below), whose sum is σ = 533576160. Its totient is φ = 91208800.

The previous prime is 228022999. The next prime is 228023021. The reversal of 228023000 is 320822.

It is a self number, because there is not a number n which added to its sum of digits gives 228023000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113012 + ... + 115011.

It is an arithmetic number, because the mean of its divisors is an integer number (16674255).

Almost surely, 2^228023000 is an apocalyptic number.

228023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228023000 is an abundant number, since it is smaller than the sum of its proper divisors (305553160).

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

228023000 is a wasteful number, since it uses less digits than its factorization.

228023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228044 (or 228030 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 228023000 is about 15100.4304574406. The cubic root of 228023000 is about 610.9320160831.

Adding to 228023000 its reverse (320822), we get a palindrome (228343822).

The spelling of 228023000 in words is "two hundred twenty-eight million, twenty-three thousand".