9622561 has 8 divisors (see below), whose sum is σ = 10972584. Its totient is φ = 8359680.

The previous prime is 9622549. The next prime is 9622589. The reversal of 9622561 is 1652269.

It can be written as a sum of positive squares in 4 ways, for example, as 136161 + 9486400 = 369^2 + 3080^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9622561 - 2⁹ = 9622049 is a prime.

It is a Duffinian number.

9622561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9622511) 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, 21550 + ... + 21991.

It is an arithmetic number, because the mean of its divisors is an integer number (1371573).

Almost surely, 2^9622561 is an apocalyptic number.

It is an amenable number.

9622561 is a deficient number, since it is larger than the sum of its proper divisors (1350023).

9622561 is a wasteful number, since it uses less digits than its factorization.

9622561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43571.

The product of its digits is 6480, while the sum is 31.

The square root of 9622561 is about 3102.0253061508. The cubic root of 9622561 is about 212.6980741386.

The spelling of 9622561 in words is "nine million, six hundred twenty-two thousand, five hundred sixty-one".