22471089 has 4 divisors (see below), whose sum is σ = 29961456. Its totient is φ = 14980724.

The previous prime is 22471073. The next prime is 22471109. The reversal of 22471089 is 98017422.

It is a happy number.

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 22471089 - 2⁴ = 22471073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22471039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745179 + ... + 3745184.

It is an arithmetic number, because the mean of its divisors is an integer number (7490364).

Almost surely, 2^22471089 is an apocalyptic number.

It is an amenable number.

22471089 is a deficient number, since it is larger than the sum of its proper divisors (7490367).

22471089 is an equidigital number, since it uses as much as digits as its factorization.

22471089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490366.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 22471089 is about 4740.3680236876. The cubic root of 22471089 is about 282.1898399811.

The spelling of 22471089 in words is "twenty-two million, four hundred seventy-one thousand, eighty-nine".