228323049066 has 96 divisors (see below), whose sum is σ = 581222853120. Its totient is φ = 63409609728.

The previous prime is 228323049041. The next prime is 228323049083. The reversal of 228323049066 is 660940323822.

It is a happy number.

228323049066 is a `hidden beast` number, since 2 + 2 + 83 + 23 + 0 + 490 + 66 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4820250 + ... + 4867386.

It is an arithmetic number, because the mean of its divisors is an integer number (6054404720).

Almost surely, 2^228323049066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228323049066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290611426560).

228323049066 is an abundant number, since it is smaller than the sum of its proper divisors (352899804054).

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

228323049066 is a wasteful number, since it uses less digits than its factorization.

228323049066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48228 (or 48225 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 228323049066 in words is "two hundred twenty-eight billion, three hundred twenty-three million, forty-nine thousand, sixty-six".