1722582013 has 2 divisors, whose sum is σ = 1722582014. Its totient is φ = 1722582012.

The previous prime is 1722581999. The next prime is 1722582023. The reversal of 1722582013 is 3102852271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1531783044 + 190798969 = 39138^2 + 13813^2 .

It is a cyclic number.

It is not a de Polignac number, because 1722582013 - 2⁵ = 1722581981 is a prime.

It is a super-2 number, since 2×1722582013² = 5934577583022264338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1722582023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861291006 + 861291007.

It is an arithmetic number, because the mean of its divisors is an integer number (861291007).

Almost surely, 2^1722582013 is an apocalyptic number.

It is an amenable number.

1722582013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1722582013 is an equidigital number, since it uses as much as digits as its factorization.

1722582013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1722582013 is about 41503.9999638589. Note that the first 4 decimals coincide. The cubic root of 1722582013 is about 1198.7445232825.

The spelling of 1722582013 in words is "one billion, seven hundred twenty-two million, five hundred eighty-two thousand, thirteen".