9970223 has 2 divisors, whose sum is σ = 9970224. Its totient is φ = 9970222.

The previous prime is 9970183. The next prime is 9970237. The reversal of 9970223 is 3220799.

It is a strong prime.

It is an emirp because it is prime and its reverse (3220799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9970223 - 2⁶ = 9970159 is a prime.

It is equal to p₆₆₂₇₇₄ and since 9970223 and 662774 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9970223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9970243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4985111 + 4985112.

It is an arithmetic number, because the mean of its divisors is an integer number (4985112).

Almost surely, 2^9970223 is an apocalyptic number.

9970223 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970223 is an equidigital number, since it uses as much as digits as its factorization.

9970223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 9970223 is about 3157.5659929762. The cubic root of 9970223 is about 215.2294143930.

The spelling of 9970223 in words is "nine million, nine hundred seventy thousand, two hundred twenty-three".