281853484122 has 64 divisors (see below), whose sum is σ = 654822088704. Its totient is φ = 79211623680.

The previous prime is 281853484117. The next prime is 281853484177. The reversal of 281853484122 is 221484358182.

It is a super-2 number, since 2×281853484122² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1182063 + ... + 1400349.

It is an arithmetic number, because the mean of its divisors is an integer number (10231595136).

Almost surely, 2^281853484122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 281853484122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327411044352).

281853484122 is an abundant number, since it is smaller than the sum of its proper divisors (372968604582).

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

281853484122 is a wasteful number, since it uses less digits than its factorization.

281853484122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218803.

The product of its digits is 983040, while the sum is 48.

The spelling of 281853484122 in words is "two hundred eighty-one billion, eight hundred fifty-three million, four hundred eighty-four thousand, one hundred twenty-two".