244220153 has 2 divisors, whose sum is σ = 244220154. Its totient is φ = 244220152.

The previous prime is 244220071. The next prime is 244220203. The reversal of 244220153 is 351022442.

It is a happy number.

244220153 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., 191628649 + 52591504 = 13843^2 + 7252^2 .

It is a cyclic number.

It is not a de Polignac number, because 244220153 - 2⁸ = 244219897 is a prime.

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 (244220953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122110076 + 122110077.

It is an arithmetic number, because the mean of its divisors is an integer number (122110077).

Almost surely, 2^244220153 is an apocalyptic number.

It is an amenable number.

244220153 is a deficient number, since it is larger than the sum of its proper divisors (1).

244220153 is an equidigital number, since it uses as much as digits as its factorization.

244220153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 244220153 is about 15627.5446887859. The cubic root of 244220153 is about 625.0678565259.

Adding to 244220153 its reverse (351022442), we get a palindrome (595242595).

The spelling of 244220153 in words is "two hundred forty-four million, two hundred twenty thousand, one hundred fifty-three".