11229973 has 2 divisors, whose sum is σ = 11229974. Its totient is φ = 11229972.

The previous prime is 11229947. The next prime is 11230031. The reversal of 11229973 is 37992211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11168964 + 61009 = 3342^2 + 247^2 .

It is an emirp because it is prime and its reverse (37992211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11229973 - 2⁹ = 11229461 is a prime.

It is a super-2 number, since 2×11229973² = 252224587161458, which contains 22 as substring.

It is equal to p₇₄₀₆₉₈ and since 11229973 and 740698 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11229073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5614986 + 5614987.

It is an arithmetic number, because the mean of its divisors is an integer number (5614987).

Almost surely, 2^11229973 is an apocalyptic number.

It is an amenable number.

11229973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11229973 is an equidigital number, since it uses as much as digits as its factorization.

11229973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 11229973 is about 3351.1151875159. The cubic root of 11229973 is about 223.9371967322.

The spelling of 11229973 in words is "eleven million, two hundred twenty-nine thousand, nine hundred seventy-three".