11322889 has 4 divisors (see below), whose sum is σ = 11586256. Its totient is φ = 11059524.

The previous prime is 11322869. The next prime is 11322931. The reversal of 11322889 is 98822311.

11322889 = 492² + 493² + ... + 534².

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 11322889 - 2¹³ = 11314697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11322859) 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, 131619 + ... + 131704.

It is an arithmetic number, because the mean of its divisors is an integer number (2896564).

Almost surely, 2^11322889 is an apocalyptic number.

It is an amenable number.

11322889 is a deficient number, since it is larger than the sum of its proper divisors (263367).

11322889 is an equidigital number, since it uses as much as digits as its factorization.

11322889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263366.

The product of its digits is 6912, while the sum is 34.

The square root of 11322889 is about 3364.9500739238. The cubic root of 11322889 is about 224.5531146492.

The spelling of 11322889 in words is "eleven million, three hundred twenty-two thousand, eight hundred eighty-nine".