2288641 has 2 divisors, whose sum is σ = 2288642. Its totient is φ = 2288640.

The previous prime is 2288633. The next prime is 2288677. The reversal of 2288641 is 1468822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2238016 + 50625 = 1496^2 + 225^2 .

It is a cyclic number.

It is not a de Polignac number, because 2288641 - 2³ = 2288633 is a prime.

It is not a weakly prime, because it can be changed into another prime (2288681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144320 + 1144321.

It is an arithmetic number, because the mean of its divisors is an integer number (1144321).

2^2288641 is an apocalyptic number.

It is an amenable number.

2288641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2288641 is an equidigital number, since it uses as much as digits as its factorization.

2288641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 31.

The square root of 2288641 is about 1512.8255021647. The cubic root of 2288641 is about 131.7829498462.

The spelling of 2288641 in words is "two million, two hundred eighty-eight thousand, six hundred forty-one".