1722182741 has 2 divisors, whose sum is σ = 1722182742. Its totient is φ = 1722182740.

The previous prime is 1722182731. The next prime is 1722182771. The reversal of 1722182741 is 1472812271.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1540876516 + 181306225 = 39254^2 + 13465^2 .

It is a cyclic number.

It is not a de Polignac number, because 1722182741 - 2¹⁴ = 1722166357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1722182731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861091370 + 861091371.

It is an arithmetic number, because the mean of its divisors is an integer number (861091371).

Almost surely, 2^1722182741 is an apocalyptic number.

It is an amenable number.

1722182741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1722182741 is an equidigital number, since it uses as much as digits as its factorization.

1722182741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 35.

The square root of 1722182741 is about 41499.1896426906. The cubic root of 1722182741 is about 1198.6518983539.

The spelling of 1722182741 in words is "one billion, seven hundred twenty-two million, one hundred eighty-two thousand, seven hundred forty-one".