244140881 has 2 divisors, whose sum is σ = 244140882. Its totient is φ = 244140880.

The previous prime is 244140833. The next prime is 244140917. The reversal of 244140881 is 188041442.

244140881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244140625 + 256 = 15625^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 244140881 - 2²⁶ = 177032017 is a prime.

It is a super-2 number, since 2×244140881² = 119209539550912322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (244140811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122070440 + 122070441.

It is an arithmetic number, because the mean of its divisors is an integer number (122070441).

Almost surely, 2^244140881 is an apocalyptic number.

It is an amenable number.

244140881 is a deficient number, since it is larger than the sum of its proper divisors (1).

244140881 is an equidigital number, since it uses as much as digits as its factorization.

244140881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 244140881 is about 15625.0081919979. The cubic root of 244140881 is about 625.0002184533. Note that the first 3 decimals are identical.

The spelling of 244140881 in words is "two hundred forty-four million, one hundred forty thousand, eight hundred eighty-one".