9822157441 has 2 divisors, whose sum is σ = 9822157442. Its totient is φ = 9822157440.

The previous prime is 9822157361. The next prime is 9822157451. The reversal of 9822157441 is 1447512289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7348089841 + 2474067600 = 85721^2 + 49740^2 .

It is a cyclic number.

It is not a de Polignac number, because 9822157441 - 2⁷ = 9822157313 is a prime.

It is not a weakly prime, because it can be changed into another prime (9822157451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4911078720 + 4911078721.

It is an arithmetic number, because the mean of its divisors is an integer number (4911078721).

Almost surely, 2^9822157441 is an apocalyptic number.

It is an amenable number.

9822157441 is a deficient number, since it is larger than the sum of its proper divisors (1).

9822157441 is an equidigital number, since it uses as much as digits as its factorization.

9822157441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 9822157441 is about 99106.7981573414. The cubic root of 9822157441 is about 2141.5865488242.

The spelling of 9822157441 in words is "nine billion, eight hundred twenty-two million, one hundred fifty-seven thousand, four hundred forty-one".