2281097985 has 16 divisors (see below), whose sum is σ = 3658436160. Its totient is φ = 1213692480.

The previous prime is 2281097983. The next prime is 2281098007. The reversal of 2281097985 is 5897901822.

2281097985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2281097985 - 2¹ = 2281097983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2281097983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174295 + ... + 186924.

It is an arithmetic number, because the mean of its divisors is an integer number (228652260).

Almost surely, 2^2281097985 is an apocalyptic number.

It is an amenable number.

2281097985 is a deficient number, since it is larger than the sum of its proper divisors (1377338175).

2281097985 is a wasteful number, since it uses less digits than its factorization.

2281097985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361648.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 2281097985 is about 47760.8415440934. The cubic root of 2281097985 is about 1316.3801159961.

The spelling of 2281097985 in words is "two billion, two hundred eighty-one million, ninety-seven thousand, nine hundred eighty-five".