9922399 has 2 divisors, whose sum is σ = 9922400. Its totient is φ = 9922398.

The previous prime is 9922307. The next prime is 9922403. The reversal of 9922399 is 9932299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9922399 - 2²¹ = 7825247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9920399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961199 + 4961200.

It is an arithmetic number, because the mean of its divisors is an integer number (4961200).

Almost surely, 2^9922399 is an apocalyptic number.

9922399 is a deficient number, since it is larger than the sum of its proper divisors (1).

9922399 is an equidigital number, since it uses as much as digits as its factorization.

9922399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78732, while the sum is 43.

The square root of 9922399 is about 3149.9839682132. The cubic root of 9922399 is about 214.8847335990.

The spelling of 9922399 in words is "nine million, nine hundred twenty-two thousand, three hundred ninety-nine".