22401422 has 8 divisors (see below), whose sum is σ = 34317216. Its totient is φ = 10962352.

The previous prime is 22401397. The next prime is 22401433. The reversal of 22401422 is 22410422.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22401422.

It is a congruent number.

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, 119063 + ... + 119250.

It is an arithmetic number, because the mean of its divisors is an integer number (4289652).

Almost surely, 2^22401422 is an apocalyptic number.

22401422 is a deficient number, since it is larger than the sum of its proper divisors (11915794).

22401422 is a wasteful number, since it uses less digits than its factorization.

22401422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238362.

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

The square root of 22401422 is about 4733.0140502644. The cubic root of 22401422 is about 281.8979141914.

Adding to 22401422 its reverse (22410422), we get a palindrome (44811844).

The spelling of 22401422 in words is "twenty-two million, four hundred one thousand, four hundred twenty-two".