2281523742 has 24 divisors (see below), whose sum is σ = 4945838040. Its totient is φ = 760117680.

The previous prime is 2281523729. The next prime is 2281523749. The reversal of 2281523742 is 2473251822.

2281523742 is a `hidden beast` number, since 2 + 281 + 5 + 2 + 374 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2281523697 and 2281523706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281523749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4684 + ... + 67712.

It is an arithmetic number, because the mean of its divisors is an integer number (206076585).

Almost surely, 2^2281523742 is an apocalyptic number.

2281523742 is an abundant number, since it is smaller than the sum of its proper divisors (2664314298).

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

2281523742 is a wasteful number, since it uses less digits than its factorization.

2281523742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65048 (or 65045 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2281523742 is about 47765.2985126232. The cubic root of 2281523742 is about 1316.4620097723.

The spelling of 2281523742 in words is "two billion, two hundred eighty-one million, five hundred twenty-three thousand, seven hundred forty-two".