8922561 has 4 divisors (see below), whose sum is σ = 11896752. Its totient is φ = 5948372.

The previous prime is 8922559. The next prime is 8922577. The reversal of 8922561 is 1652298.

8922561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8922561 - 2¹ = 8922559 is a prime.

It is a super-2 number, since 2×8922561² = 159224189597442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8922521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487091 + ... + 1487096.

It is an arithmetic number, because the mean of its divisors is an integer number (2974188).

Almost surely, 2^8922561 is an apocalyptic number.

It is an amenable number.

8922561 is a deficient number, since it is larger than the sum of its proper divisors (2974191).

8922561 is a wasteful number, since it uses less digits than its factorization.

8922561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974190.

The product of its digits is 8640, while the sum is 33.

The square root of 8922561 is about 2987.0656169559. The cubic root of 8922561 is about 207.4100718364.

The spelling of 8922561 in words is "eight million, nine hundred twenty-two thousand, five hundred sixty-one".