2281597 has 4 divisors (see below), whose sum is σ = 2324700. Its totient is φ = 2238496.

The previous prime is 2281579. The next prime is 2281607. The reversal of 2281597 is 7951822.

2281597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7951822 = 2 ⋅3975911.

It can be written as a sum of positive squares in 2 ways, for example, as 1879641 + 401956 = 1371^2 + 634^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281597 - 2¹⁹ = 1757309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21472 + ... + 21577.

It is an arithmetic number, because the mean of its divisors is an integer number (581175).

2^2281597 is an apocalyptic number.

It is an amenable number.

2281597 is a deficient number, since it is larger than the sum of its proper divisors (43103).

2281597 is an equidigital number, since it uses as much as digits as its factorization.

2281597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43102.

The product of its digits is 10080, while the sum is 34.

The square root of 2281597 is about 1510.4956140287. The cubic root of 2281597 is about 131.6476099821.

The spelling of 2281597 in words is "two million, two hundred eighty-one thousand, five hundred ninety-seven".