22244493 has 8 divisors (see below), whose sum is σ = 29769856. Its totient is φ = 14774400.

The previous prime is 22244491. The next prime is 22244503. The reversal of 22244493 is 39444222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22244493 - 2¹ = 22244491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22244493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244491) 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 7 ways as a sum of consecutive naturals, for example, 12868 + ... + 14493.

It is an arithmetic number, because the mean of its divisors is an integer number (3721232).

Almost surely, 2^22244493 is an apocalyptic number.

It is an amenable number.

22244493 is a deficient number, since it is larger than the sum of its proper divisors (7525363).

22244493 is a wasteful number, since it uses less digits than its factorization.

22244493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27635.

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

The square root of 22244493 is about 4716.4067890715. The cubic root of 22244493 is about 281.2381099171.

The spelling of 22244493 in words is "twenty-two million, two hundred forty-four thousand, four hundred ninety-three".