22244242 has 8 divisors (see below), whose sum is σ = 33541632. Its totient is φ = 11063700.

The previous prime is 22244227. The next prime is 22244251. The reversal of 22244242 is 24244222.

It is a happy number.

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

It is an unprimeable number.

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, 28734 + ... + 29497.

It is an arithmetic number, because the mean of its divisors is an integer number (4192704).

Almost surely, 2^22244242 is an apocalyptic number.

22244242 is a deficient number, since it is larger than the sum of its proper divisors (11297390).

22244242 is a wasteful number, since it uses less digits than its factorization.

22244242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58424.

The product of its digits is 2048, while the sum is 22.

The square root of 22244242 is about 4716.3801797565. The cubic root of 22244242 is about 281.2370521117.

Adding to 22244242 its reverse (24244222), we get a palindrome (46488464).

The spelling of 22244242 in words is "twenty-two million, two hundred forty-four thousand, two hundred forty-two".