1722313319 has 2 divisors, whose sum is σ = 1722313320. Its totient is φ = 1722313318.

The previous prime is 1722313303. The next prime is 1722313321. The reversal of 1722313319 is 9133132271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1722313319 - 2⁴ = 1722313303 is a prime.

It is a super-2 number, since 2×1722313319² = 5932726337609591522, which contains 22 as substring.

Together with 1722313321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1722313339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861156659 + 861156660.

It is an arithmetic number, because the mean of its divisors is an integer number (861156660).

It is a self-describing number.

Almost surely, 2^1722313319 is an apocalyptic number.

1722313319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1722313319 is an equidigital number, since it uses as much as digits as its factorization.

1722313319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 1722313319 is about 41500.7628725063. The cubic root of 1722313319 is about 1198.6821920056.

The spelling of 1722313319 in words is "one billion, seven hundred twenty-two million, three hundred thirteen thousand, three hundred nineteen".