2234561 has 4 divisors (see below), whose sum is σ = 2553792. Its totient is φ = 1915332.

The previous prime is 2234549. The next prime is 2234563. The reversal of 2234561 is 1654322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1654322 = 2 ⋅827161.

It is a cyclic number.

It is not a de Polignac number, because 2234561 - 2¹⁰ = 2233537 is a prime.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 3¹⁰ + 4² + 5⁷ + 6³ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2234563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159605 + ... + 159618.

It is an arithmetic number, because the mean of its divisors is an integer number (638448).

2^2234561 is an apocalyptic number.

It is an amenable number.

2234561 is a deficient number, since it is larger than the sum of its proper divisors (319231).

2234561 is an equidigital number, since it uses as much as digits as its factorization.

2234561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319230.

The product of its digits is 1440, while the sum is 23.

The square root of 2234561 is about 1494.8448079985. The cubic root of 2234561 is about 130.7366658065.

Adding to 2234561 its reverse (1654322), we get a palindrome (3888883).

The spelling of 2234561 in words is "two million, two hundred thirty-four thousand, five hundred sixty-one".