2201601481 has 2 divisors, whose sum is σ = 2201601482. Its totient is φ = 2201601480.

The previous prime is 2201601433. The next prime is 2201601509. The reversal of 2201601481 is 1841061022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1293121600 + 908479881 = 35960^2 + 30141^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201601481 - 2¹⁷ = 2201470409 is a prime.

It is a super-2 number, since 2×2201601481² = 9694098162282786722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2201601781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100800740 + 1100800741.

It is an arithmetic number, because the mean of its divisors is an integer number (1100800741).

Almost surely, 2^2201601481 is an apocalyptic number.

It is an amenable number.

2201601481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201601481 is an equidigital number, since it uses as much as digits as its factorization.

2201601481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 2201601481 is about 46921.2263373412. The cubic root of 2201601481 is about 1300.9069570467.

The spelling of 2201601481 in words is "two billion, two hundred one million, six hundred one thousand, four hundred eighty-one".