22442255 has 8 divisors (see below), whose sum is σ = 29379024. Its totient is φ = 16321600.

The previous prime is 22442237. The next prime is 22442257. The reversal of 22442255 is 55224422.

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

It is not a de Polignac number, because 22442255 - 2⁸ = 22441999 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442257) 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, 203966 + ... + 204075.

It is an arithmetic number, because the mean of its divisors is an integer number (3672378).

Almost surely, 2^22442255 is an apocalyptic number.

22442255 is a deficient number, since it is larger than the sum of its proper divisors (6936769).

22442255 is a wasteful number, since it uses less digits than its factorization.

22442255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408057.

The product of its digits is 6400, while the sum is 26.

The square root of 22442255 is about 4737.3257223881. The cubic root of 22442255 is about 282.0690900916.

Adding to 22442255 its reverse (55224422), we get a palindrome (77666677).

The spelling of 22442255 in words is "twenty-two million, four hundred forty-two thousand, two hundred fifty-five".