1001722612 has 24 divisors (see below), whose sum is σ = 1920401280. Its totient is φ = 453418560.

The previous prime is 1001722597. The next prime is 1001722651. The reversal of 1001722612 is 2162271001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37113 + ... + 58144.

It is an arithmetic number, because the mean of its divisors is an integer number (80016720).

Almost surely, 2^1001722612 is an apocalyptic number.

It is an amenable number.

1001722612 is a deficient number, since it is larger than the sum of its proper divisors (918678668).

1001722612 is a wasteful number, since it uses less digits than its factorization.

1001722612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95511 (or 95509 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1001722612 is about 31650.0017693522. The cubic root of 1001722612 is about 1000.5738746049.

Adding to 1001722612 its reverse (2162271001), we get a palindrome (3163993613).

The spelling of 1001722612 in words is "one billion, one million, seven hundred twenty-two thousand, six hundred twelve".