28814228212 has 48 divisors (see below), whose sum is σ = 63267942528. Its totient is φ = 11154798720.

The previous prime is 28814228159. The next prime is 28814228243. The reversal of 28814228212 is 21282241882.

It is a happy number.

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, 249583 + ... + 346294.

It is an arithmetic number, because the mean of its divisors is an integer number (1318082136).

Almost surely, 2^28814228212 is an apocalyptic number.

28814228212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28814228212 is an abundant number, since it is smaller than the sum of its proper divisors (34453714316).

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

28814228212 is a wasteful number, since it uses less digits than its factorization.

28814228212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596056 (or 596054 counting only the distinct ones).

The product of its digits is 65536, while the sum is 40.

The spelling of 28814228212 in words is "twenty-eight billion, eight hundred fourteen million, two hundred twenty-eight thousand, two hundred twelve".