9223997 has 2 divisors, whose sum is σ = 9223998. Its totient is φ = 9223996.

The previous prime is 9223969. The next prime is 9224009. The reversal of 9223997 is 7993229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7431076 + 1792921 = 2726^2 + 1339^2 .

It is an emirp because it is prime and its reverse (7993229) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9223997 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 9 + 2¹³ + 2²³ + 3⁷ + 9³ + 9³ + 7⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9223927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4611998 + 4611999.

It is an arithmetic number, because the mean of its divisors is an integer number (4611999).

Almost surely, 2^9223997 is an apocalyptic number.

It is an amenable number.

9223997 is a deficient number, since it is larger than the sum of its proper divisors (1).

9223997 is an equidigital number, since it uses as much as digits as its factorization.

9223997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 41.

The square root of 9223997 is about 3037.1033897449. The cubic root of 9223997 is about 209.7199365653.

The spelling of 9223997 in words is "nine million, two hundred twenty-three thousand, nine hundred ninety-seven".