11282289 has 4 divisors (see below), whose sum is σ = 15043056. Its totient is φ = 7521524.

The previous prime is 11282261. The next prime is 11282291. The reversal of 11282289 is 98228211.

11282289 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11282289 - 2¹³ = 11274097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11282989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880379 + ... + 1880384.

It is an arithmetic number, because the mean of its divisors is an integer number (3760764).

Almost surely, 2^11282289 is an apocalyptic number.

It is an amenable number.

11282289 is a deficient number, since it is larger than the sum of its proper divisors (3760767).

11282289 is an equidigital number, since it uses as much as digits as its factorization.

11282289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760766.

The product of its digits is 4608, while the sum is 33.

The square root of 11282289 is about 3358.9118773793. The cubic root of 11282289 is about 224.2844030493.

The spelling of 11282289 in words is "eleven million, two hundred eighty-two thousand, two hundred eighty-nine".