9219641 has 2 divisors, whose sum is σ = 9219642. Its totient is φ = 9219640.

The previous prime is 9219631. The next prime is 9219653. The reversal of 9219641 is 1469129.

9219641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7862416 + 1357225 = 2804^2 + 1165^2 .

It is an emirp because it is prime and its reverse (1469129) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9219641 - 2²² = 5025337 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9219598 and 9219607.

It is not a weakly prime, because it can be changed into another prime (9219611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4609820 + 4609821.

It is an arithmetic number, because the mean of its divisors is an integer number (4609821).

Almost surely, 2^9219641 is an apocalyptic number.

It is an amenable number.

9219641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9219641 is an equidigital number, since it uses as much as digits as its factorization.

9219641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 9219641 is about 3036.3861743856. The cubic root of 9219641 is about 209.6869182007.

The spelling of 9219641 in words is "nine million, two hundred nineteen thousand, six hundred forty-one".