9722774061 has 128 divisors (see below), whose sum is σ = 20181934080. Its totient is φ = 4459276800.

The previous prime is 9722774053. The next prime is 9722774119. The reversal of 9722774061 is 1604772279.

It is not a de Polignac number, because 9722774061 - 2³ = 9722774053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9722773998 and 9722774016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722774021) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 613801 + ... + 629441.

It is an arithmetic number, because the mean of its divisors is an integer number (157671360).

Almost surely, 2^9722774061 is an apocalyptic number.

9722774061 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

9722774061 is an abundant number, since it is smaller than the sum of its proper divisors (10459160019).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9722774061 is a wasteful number, since it uses less digits than its factorization.

9722774061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15704 (or 15698 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 9722774061 is about 98604.1280119651. The cubic root of 9722774061 is about 2134.3389888766.

The spelling of 9722774061 in words is "nine billion, seven hundred twenty-two million, seven hundred seventy-four thousand, sixty-one".