9722275251381 has 24 divisors (see below), whose sum is σ = 17508513008064. Its totient is φ = 5050532597760.

The previous prime is 9722275251313. The next prime is 9722275251433. The reversal of 9722275251381 is 1831525722279.

It is a happy number.

9722275251381 is a `hidden beast` number, since 9 + 7 + 2 + 2 + 2 + 7 + 5 + 251 + 381 = 666.

It is not a de Polignac number, because 9722275251381 - 2²² = 9722271057077 is a prime.

It is a super-2 number, since 2×9722275251381² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722275250381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7014627916 + ... + 7014629301.

It is an arithmetic number, because the mean of its divisors is an integer number (729521375336).

Almost surely, 2^{9722275251381} is an apocalyptic number.

It is an amenable number.

9722275251381 is a deficient number, since it is larger than the sum of its proper divisors (7786237756683).

9722275251381 is a wasteful number, since it uses less digits than its factorization.

9722275251381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14029257241 (or 14029257238 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 9722275251381 in words is "nine trillion, seven hundred twenty-two billion, two hundred seventy-five million, two hundred fifty-one thousand, three hundred eighty-one".