2281105212 has 12 divisors (see below), whose sum is σ = 5322578856. Its totient is φ = 760368400.

The previous prime is 2281105153. The next prime is 2281105217. The reversal of 2281105212 is 2125011822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281105217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95046039 + ... + 95046062.

It is an arithmetic number, because the mean of its divisors is an integer number (443548238).

Almost surely, 2^2281105212 is an apocalyptic number.

It is an amenable number.

2281105212 is an abundant number, since it is smaller than the sum of its proper divisors (3041473644).

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

2281105212 is a wasteful number, since it uses less digits than its factorization.

2281105212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190092108 (or 190092106 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 2281105212 is about 47760.9172022481. The cubic root of 2281105212 is about 1316.3815061847.

The spelling of 2281105212 in words is "two billion, two hundred eighty-one million, one hundred five thousand, two hundred twelve".