11222089 has 2 divisors, whose sum is σ = 11222090. Its totient is φ = 11222088.

The previous prime is 11222087. The next prime is 11222129. The reversal of 11222089 is 98022211.

11222089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 166464 = 3325^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222089 - 2¹ = 11222087 is a prime.

Together with 11222087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11222083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611044 + 5611045.

It is an arithmetic number, because the mean of its divisors is an integer number (5611045).

Almost surely, 2^11222089 is an apocalyptic number.

It is an amenable number.

11222089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222089 is an equidigital number, since it uses as much as digits as its factorization.

11222089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 11222089 is about 3349.9386561548. The cubic root of 11222089 is about 223.8847794444.

It can be divided in two parts, 112 and 22089, that added together give a square (22201 = 149²).

The spelling of 11222089 in words is "eleven million, two hundred twenty-two thousand, eighty-nine".