9220481 has 2 divisors, whose sum is σ = 9220482. Its totient is φ = 9220480.

The previous prime is 9220459. The next prime is 9220483. The reversal of 9220481 is 1840229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 781456 = 2905^2 + 884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9220481 is a prime.

It is a super-2 number, since 2×9220481² = 170034539742722, which contains 22 as substring.

Together with 9220483, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9220481.

It is not a weakly prime, because it can be changed into another prime (9220483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610240 + 4610241.

It is an arithmetic number, because the mean of its divisors is an integer number (4610241).

Almost surely, 2^9220481 is an apocalyptic number.

It is an amenable number.

9220481 is a deficient number, since it is larger than the sum of its proper divisors (1).

9220481 is an equidigital number, since it uses as much as digits as its factorization.

9220481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 9220481 is about 3036.5244935617. The cubic root of 9220481 is about 209.6932861877.

The spelling of 9220481 in words is "nine million, two hundred twenty thousand, four hundred eighty-one".