11252209 has 2 divisors, whose sum is σ = 11252210. Its totient is φ = 11252208.

The previous prime is 11252183. The next prime is 11252239. The reversal of 11252209 is 90225211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 3717184 = 2745^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 11252209 - 2⁹ = 11251697 is a prime.

It is a super-2 number, since 2×11252209² = 253224414759362, which contains 22 as substring.

It is a Chen prime.

It is equal to p₇₄₂₀₉₀ and since 11252209 and 742090 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 11252209.

It is not a weakly prime, because it can be changed into another prime (11252239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5626104 + 5626105.

It is an arithmetic number, because the mean of its divisors is an integer number (5626105).

Almost surely, 2^11252209 is an apocalyptic number.

It is an amenable number.

11252209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11252209 is an equidigital number, since it uses as much as digits as its factorization.

11252209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 11252209 is about 3354.4312483639. The cubic root of 11252209 is about 224.0849021800.

The spelling of 11252209 in words is "eleven million, two hundred fifty-two thousand, two hundred nine".