242245401001 has 2 divisors, whose sum is σ = 242245401002. Its totient is φ = 242245401000.

The previous prime is 242245400977. The next prime is 242245401103. The reversal of 242245401001 is 100104542242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135692773225 + 106552627776 = 368365^2 + 326424^2 .

It is a cyclic number.

It is not a de Polignac number, because 242245401001 - 2¹¹ = 242245398953 is a prime.

It is a super-2 number, since 2×242245401001² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242245401301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121122700500 + 121122700501.

It is an arithmetic number, because the mean of its divisors is an integer number (121122700501).

Almost surely, 2^242245401001 is an apocalyptic number.

It is an amenable number.

242245401001 is a deficient number, since it is larger than the sum of its proper divisors (1).

242245401001 is an equidigital number, since it uses as much as digits as its factorization.

242245401001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 242245401001 its reverse (100104542242), we get a palindrome (342349943243).

The spelling of 242245401001 in words is "two hundred forty-two billion, two hundred forty-five million, four hundred one thousand, one".