2240665601 has 2 divisors, whose sum is σ = 2240665602. Its totient is φ = 2240665600.

The previous prime is 2240665591. The next prime is 2240665631. The reversal of 2240665601 is 1065660422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1474483201 + 766182400 = 38399^2 + 27680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240665601 - 2³⁰ = 1166923777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2240665631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120332800 + 1120332801.

It is an arithmetic number, because the mean of its divisors is an integer number (1120332801).

Almost surely, 2^2240665601 is an apocalyptic number.

It is an amenable number.

2240665601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240665601 is an equidigital number, since it uses as much as digits as its factorization.

2240665601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2240665601 is about 47335.6694364831. The cubic root of 2240665601 is about 1308.5561079679.

The spelling of 2240665601 in words is "two billion, two hundred forty million, six hundred sixty-five thousand, six hundred one".