22444242 has 8 divisors (see below), whose sum is σ = 44888496. Its totient is φ = 7481412.

The previous prime is 22444241. The next prime is 22444243. The reversal of 22444242 is 24244422.

It is an interprime number because it is at equal distance from previous prime (22444241) and next prime (22444243).

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

22444242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22444241) 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 3 ways as a sum of consecutive naturals, for example, 1870348 + ... + 1870359.

It is an arithmetic number, because the mean of its divisors is an integer number (5611062).

Almost surely, 2^22444242 is an apocalyptic number.

22444242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22444242 is a wasteful number, since it uses less digits than its factorization.

22444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740712.

The product of its digits is 4096, while the sum is 24.

The square root of 22444242 is about 4737.5354352237. The cubic root of 22444242 is about 282.0774144889.

Adding to 22444242 its reverse (24244422), we get a palindrome (46688664).

The spelling of 22444242 in words is "twenty-two million, four hundred forty-four thousand, two hundred forty-two".