22266423 has 24 divisors (see below), whose sum is σ = 34444800. Its totient is φ = 13818384.

The previous prime is 22266421. The next prime is 22266443. The reversal of 22266423 is 32466222.

It is not a de Polignac number, because 22266423 - 2¹ = 22266421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22266421) 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 23 ways as a sum of consecutive naturals, for example, 8986 + ... + 11192.

It is an arithmetic number, because the mean of its divisors is an integer number (1435200).

Almost surely, 2^22266423 is an apocalyptic number.

22266423 is a deficient number, since it is larger than the sum of its proper divisors (12178377).

22266423 is a wasteful number, since it uses less digits than its factorization.

22266423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2288 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 22266423 is about 4718.7310794323. The cubic root of 22266423 is about 281.3305002160.

It can be divided in two parts, 2226 and 6423, that added together give a square (8649 = 93²).

The spelling of 22266423 in words is "twenty-two million, two hundred sixty-six thousand, four hundred twenty-three".