224020243157 has 2 divisors, whose sum is σ = 224020243158. Its totient is φ = 224020243156.

The previous prime is 224020243141. The next prime is 224020243207. The reversal of 224020243157 is 751342020422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166377515236 + 57642727921 = 407894^2 + 240089^2 .

It is a cyclic number.

It is not a de Polignac number, because 224020243157 - 2⁴ = 224020243141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224020248157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112010121578 + 112010121579.

It is an arithmetic number, because the mean of its divisors is an integer number (112010121579).

Almost surely, 2^224020243157 is an apocalyptic number.

It is an amenable number.

224020243157 is a deficient number, since it is larger than the sum of its proper divisors (1).

224020243157 is an equidigital number, since it uses as much as digits as its factorization.

224020243157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 224020243157 its reverse (751342020422), we get a palindrome (975362263579).

The spelling of 224020243157 in words is "two hundred twenty-four billion, twenty million, two hundred forty-three thousand, one hundred fifty-seven".