22144022 has 8 divisors (see below), whose sum is σ = 33300072. Its totient is φ = 11044000.

The previous prime is 22144021. The next prime is 22144049. The reversal of 22144022 is 22044122.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13004 + ... + 14607.

It is an arithmetic number, because the mean of its divisors is an integer number (4162509).

Almost surely, 2^22144022 is an apocalyptic number.

22144022 is a deficient number, since it is larger than the sum of its proper divisors (11156050).

22144022 is a wasteful number, since it uses less digits than its factorization.

22144022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28014.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22144022 is about 4705.7435119224. The cubic root of 22144022 is about 280.8140510632.

Adding to 22144022 its reverse (22044122), we get a palindrome (44188144).

The spelling of 22144022 in words is "twenty-two million, one hundred forty-four thousand, twenty-two".