2225865601 has 2 divisors, whose sum is σ = 2225865602. Its totient is φ = 2225865600.

The previous prime is 2225865583. The next prime is 2225865667. The reversal of 2225865601 is 1065685222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1301766400 + 924099201 = 36080^2 + 30399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225865601 - 2⁵ = 2225865569 is a prime.

It is not a weakly prime, because it can be changed into another prime (2225865401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112932800 + 1112932801.

It is an arithmetic number, because the mean of its divisors is an integer number (1112932801).

Almost surely, 2^2225865601 is an apocalyptic number.

It is an amenable number.

2225865601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225865601 is an equidigital number, since it uses as much as digits as its factorization.

2225865601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 2225865601 is about 47179.0801203245. The cubic root of 2225865601 is about 1305.6686582775.

The spelling of 2225865601 in words is "two billion, two hundred twenty-five million, eight hundred sixty-five thousand, six hundred one".