22424493 has 16 divisors (see below), whose sum is σ = 36799616. Its totient is φ = 11828160.

The previous prime is 22424491. The next prime is 22424497. The reversal of 22424493 is 39442422.

It is not a de Polignac number, because 22424493 - 2¹ = 22424491 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 22424493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22424491) 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, 40798 + ... + 41343.

It is an arithmetic number, because the mean of its divisors is an integer number (2299976).

Almost surely, 2^22424493 is an apocalyptic number.

It is an amenable number.

22424493 is a deficient number, since it is larger than the sum of its proper divisors (14375123).

22424493 is a wasteful number, since it uses less digits than its factorization.

22424493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82164.

The product of its digits is 13824, while the sum is 30.

The square root of 22424493 is about 4735.4506649315. The cubic root of 22424493 is about 281.9946556001.

The spelling of 22424493 in words is "twenty-two million, four hundred twenty-four thousand, four hundred ninety-three".