22228423 has 16 divisors (see below), whose sum is σ = 27032320. Its totient is φ = 17853696.

The previous prime is 22228421. The next prime is 22228441. The reversal of 22228423 is 32482222.

It is a happy number.

It is not a de Polignac number, because 22228423 - 2¹ = 22228421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22228421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12040 + ... + 13762.

It is an arithmetic number, because the mean of its divisors is an integer number (1689520).

Almost surely, 2^22228423 is an apocalyptic number.

22228423 is a deficient number, since it is larger than the sum of its proper divisors (4803897).

22228423 is a wasteful number, since it uses less digits than its factorization.

22228423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846.

The product of its digits is 3072, while the sum is 25.

The square root of 22228423 is about 4714.7028538393. The cubic root of 22228423 is about 281.1703690280.

The spelling of 22228423 in words is "twenty-two million, two hundred twenty-eight thousand, four hundred twenty-three".