228601912 has 64 divisors (see below), whose sum is σ = 538986240. Its totient is φ = 89036640.

The previous prime is 228601871. The next prime is 228601921. The reversal of 228601912 is 219106822.

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, 73003 + ... + 76069.

It is an arithmetic number, because the mean of its divisors is an integer number (8421660).

Almost surely, 2^228601912 is an apocalyptic number.

228601912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228601912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269493120).

228601912 is an abundant number, since it is smaller than the sum of its proper divisors (310384328).

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

228601912 is a wasteful number, since it uses less digits than its factorization.

228601912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 228601912 is about 15119.5870313974. The cubic root of 228601912 is about 611.4485969966.

The spelling of 228601912 in words is "two hundred twenty-eight million, six hundred one thousand, nine hundred twelve".