228211160 has 16 divisors (see below), whose sum is σ = 513475200. Its totient is φ = 91284448.

The previous prime is 228211157. The next prime is 228211183. The reversal of 228211160 is 61112822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852600 + ... + 2852679.

It is an arithmetic number, because the mean of its divisors is an integer number (32092200).

Almost surely, 2^228211160 is an apocalyptic number.

228211160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228211160 is an abundant number, since it is smaller than the sum of its proper divisors (285264040).

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

228211160 is a wasteful number, since it uses less digits than its factorization.

228211160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705290 (or 5705286 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 228211160 is about 15106.6594586626. The cubic root of 228211160 is about 611.1000128257.

Adding to 228211160 its reverse (61112822), we get a palindrome (289323982).

The spelling of 228211160 in words is "two hundred twenty-eight million, two hundred eleven thousand, one hundred sixty".