22493223 has 6 divisors (see below), whose sum is σ = 32490224. Its totient is φ = 14995476.

The previous prime is 22493221. The next prime is 22493267. The reversal of 22493223 is 32239422.

It is not a de Polignac number, because 22493223 - 2¹ = 22493221 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 (22493221) 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 5 ways as a sum of consecutive naturals, for example, 1249615 + ... + 1249632.

Almost surely, 2^22493223 is an apocalyptic number.

22493223 is a deficient number, since it is larger than the sum of its proper divisors (9997001).

22493223 is a wasteful number, since it uses less digits than its factorization.

22493223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499253 (or 2499250 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 22493223 is about 4742.7020779298. The cubic root of 22493223 is about 282.2824618129.

The spelling of 22493223 in words is "twenty-two million, four hundred ninety-three thousand, two hundred twenty-three".