1722130501 has 16 divisors (see below), whose sum is σ = 2124194688. Its totient is φ = 1359576000.

The previous prime is 1722130499. The next prime is 1722130523. The reversal of 1722130501 is 1050312271.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1722130501 - 2¹ = 1722130499 is a prime.

It is a super-2 number, since 2×1722130501² = 5931466924949022002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722130001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21426 + ... + 62476.

It is an arithmetic number, because the mean of its divisors is an integer number (132762168).

Almost surely, 2^1722130501 is an apocalyptic number.

It is an amenable number.

1722130501 is a deficient number, since it is larger than the sum of its proper divisors (402064187).

1722130501 is a wasteful number, since it uses less digits than its factorization.

1722130501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41532.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1722130501 is about 41498.5602280368. The cubic root of 1722130501 is about 1198.6397784229.

Adding to 1722130501 its reverse (1050312271), we get a palindrome (2772442772).

The spelling of 1722130501 in words is "one billion, seven hundred twenty-two million, one hundred thirty thousand, five hundred one".