1722250144201 has 2 divisors, whose sum is σ = 1722250144202. Its totient is φ = 1722250144200.

The previous prime is 1722250144193. The next prime is 1722250144259. The reversal of 1722250144201 is 1024410522271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1318960371600 + 403289772601 = 1148460^2 + 635051^2 .

It is an emirp because it is prime and its reverse (1024410522271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1722250144201 - 2³ = 1722250144193 is a prime.

It is a super-3 number, since 3×1722250144201³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1722250145201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861125072100 + 861125072101.

It is an arithmetic number, because the mean of its divisors is an integer number (861125072101).

Almost surely, 2^{1722250144201} is an apocalyptic number.

It is an amenable number.

1722250144201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1722250144201 is an equidigital number, since it uses as much as digits as its factorization.

1722250144201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

Adding to 1722250144201 its reverse (1024410522271), we get a palindrome (2746660666472).

The spelling of 1722250144201 in words is "one trillion, seven hundred twenty-two billion, two hundred fifty million, one hundred forty-four thousand, two hundred one".