9722010381 has 8 divisors (see below), whose sum is σ = 13045245984. Its totient is φ = 6440057520.

The previous prime is 9722010379. The next prime is 9722010407. The reversal of 9722010381 is 1830102279.

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

It is not a de Polignac number, because 9722010381 - 2¹ = 9722010379 is a prime.

It is a super-2 number, since 2×9722010381² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722010581) 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, 10320135 + ... + 10321076.

It is an arithmetic number, because the mean of its divisors is an integer number (1630655748).

Almost surely, 2^9722010381 is an apocalyptic number.

It is an amenable number.

9722010381 is a deficient number, since it is larger than the sum of its proper divisors (3323235603).

9722010381 is a wasteful number, since it uses less digits than its factorization.

9722010381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20641371.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 9722010381 is about 98600.2554814134. The cubic root of 9722010381 is about 2134.2831065167.

The spelling of 9722010381 in words is "nine billion, seven hundred twenty-two million, ten thousand, three hundred eighty-one".