9722655 has 24 divisors (see below), whose sum is σ = 17214912. Its totient is φ = 5073984.

The previous prime is 9722641. The next prime is 9722659. The reversal of 9722655 is 5562279.

It is not a de Polignac number, because 9722655 - 2⁴ = 9722639 is a prime.

It is a nialpdrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184 + ... + 4413.

It is an arithmetic number, because the mean of its divisors is an integer number (717288).

Almost surely, 2^9722655 is an apocalyptic number.

9722655 is a deficient number, since it is larger than the sum of its proper divisors (7492257).

9722655 is a wasteful number, since it uses less digits than its factorization.

9722655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655 (or 4652 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 9722655 is about 3118.1172203751. The cubic root of 9722655 is about 213.4330276769.

The spelling of 9722655 in words is "nine million, seven hundred twenty-two thousand, six hundred fifty-five".