11228089 has 2 divisors, whose sum is σ = 11228090. Its totient is φ = 11228088.

The previous prime is 11228083. The next prime is 11228167. The reversal of 11228089 is 98082211.

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., 9517225 + 1710864 = 3085^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 11228089 - 2⁷ = 11227961 is a prime.

It is equal to p₇₄₀₅₉₆ and since 11228089 and 740596 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 11228089.

It is not a weakly prime, because it can be changed into another prime (11228083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5614044 + 5614045.

It is an arithmetic number, because the mean of its divisors is an integer number (5614045).

Almost surely, 2^11228089 is an apocalyptic number.

It is an amenable number.

11228089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11228089 is an equidigital number, since it uses as much as digits as its factorization.

11228089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 11228089 is about 3350.8340752714. The cubic root of 11228089 is about 223.9246730668.

The spelling of 11228089 in words is "eleven million, two hundred twenty-eight thousand, eighty-nine".