22026623 has 4 divisors (see below), whose sum is σ = 22292088. Its totient is φ = 21761160.

The previous prime is 22026601. The next prime is 22026649. The reversal of 22026623 is 32662022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22026623 - 2¹⁴ = 22010239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020623) 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, 132608 + ... + 132773.

It is an arithmetic number, because the mean of its divisors is an integer number (5573022).

Almost surely, 2^22026623 is an apocalyptic number.

22026623 is a deficient number, since it is larger than the sum of its proper divisors (265465).

22026623 is an equidigital number, since it uses as much as digits as its factorization.

22026623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265464.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 22026623 is about 4693.2529230801. The cubic root of 22026623 is about 280.3169158258.

Adding to 22026623 its reverse (32662022), we get a palindrome (54688645).

The spelling of 22026623 in words is "twenty-two million, twenty-six thousand, six hundred twenty-three".