22434689 has 4 divisors (see below), whose sum is σ = 22520256. Its totient is φ = 22349124.

The previous prime is 22434673. The next prime is 22434701. The reversal of 22434689 is 98643422.

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 22434689 - 2⁴ = 22434673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22434619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42389 + ... + 42914.

It is an arithmetic number, because the mean of its divisors is an integer number (5630064).

Almost surely, 2^22434689 is an apocalyptic number.

It is an amenable number.

22434689 is a deficient number, since it is larger than the sum of its proper divisors (85567).

22434689 is an equidigital number, since it uses as much as digits as its factorization.

22434689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85566.

The product of its digits is 82944, while the sum is 38.

The square root of 22434689 is about 4736.5271032688. The cubic root of 22434689 is about 282.0373883663.

The spelling of 22434689 in words is "twenty-two million, four hundred thirty-four thousand, six hundred eighty-nine".