11022197 has 4 divisors (see below), whose sum is σ = 11173260. Its totient is φ = 10871136.

The previous prime is 11022181. The next prime is 11022217. The reversal of 11022197 is 79122011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5597956 + 5424241 = 2366^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022197 - 2⁴ = 11022181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022097) 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 in 3 ways as a sum of consecutive naturals, for example, 75422 + ... + 75567.

It is an arithmetic number, because the mean of its divisors is an integer number (2793315).

Almost surely, 2^11022197 is an apocalyptic number.

It is an amenable number.

11022197 is a deficient number, since it is larger than the sum of its proper divisors (151063).

11022197 is an equidigital number, since it uses as much as digits as its factorization.

11022197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151062.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11022197 is about 3319.9694275701. The cubic root of 11022197 is about 222.5475015360.

The spelling of 11022197 in words is "eleven million, twenty-two thousand, one hundred ninety-seven".