228101382 has 12 divisors (see below), whose sum is σ = 494219700. Its totient is φ = 76033788.

The previous prime is 228101353. The next prime is 228101407. The reversal of 228101382 is 283101822.

228101382 is a `hidden beast` number, since 2 + 281 + 0 + 1 + 382 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6336132 + ... + 6336167.

It is an arithmetic number, because the mean of its divisors is an integer number (41184975).

Almost surely, 2^228101382 is an apocalyptic number.

228101382 is an abundant number, since it is smaller than the sum of its proper divisors (266118318).

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

228101382 is a wasteful number, since it uses less digits than its factorization.

228101382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672307 (or 12672304 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 228101382 is about 15103.0255909205. The cubic root of 228101382 is about 611.0020098812.

The spelling of 228101382 in words is "two hundred twenty-eight million, one hundred one thousand, three hundred eighty-two".