722143650081 has 8 divisors (see below), whose sum is σ = 1100409371584. Its totient is φ = 412653514320.

The previous prime is 722143650079. The next prime is 722143650083. The reversal of 722143650081 is 180056341227.

It is an interprime number because it is at equal distance from previous prime (722143650079) and next prime (722143650083).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 722143650081 - 2¹ = 722143650079 is a prime.

It is a super-2 number, since 2×722143650081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (722143650083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17193896410 + ... + 17193896451.

It is an arithmetic number, because the mean of its divisors is an integer number (137551171448).

Almost surely, 2^722143650081 is an apocalyptic number.

It is an amenable number.

722143650081 is a deficient number, since it is larger than the sum of its proper divisors (378265721503).

722143650081 is a wasteful number, since it uses less digits than its factorization.

722143650081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34387792871.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 722143650081 in words is "seven hundred twenty-two billion, one hundred forty-three million, six hundred fifty thousand, eighty-one".