24142022221 has 2 divisors, whose sum is σ = 24142022222. Its totient is φ = 24142022220.

The previous prime is 24142022159. The next prime is 24142022227. The reversal of 24142022221 is 12222024142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23329202121 + 812820100 = 152739^2 + 28510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24142022221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24142022192 and 24142022201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24142022227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12071011110 + 12071011111.

It is an arithmetic number, because the mean of its divisors is an integer number (12071011111).

Almost surely, 2^24142022221 is an apocalyptic number.

It is an amenable number.

24142022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

24142022221 is an equidigital number, since it uses as much as digits as its factorization.

24142022221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 24142022221 its reverse (12222024142), we get a palindrome (36364046363).

The spelling of 24142022221 in words is "twenty-four billion, one hundred forty-two million, twenty-two thousand, two hundred twenty-one".