22244255 has 16 divisors (see below), whose sum is σ = 29281824. Its totient is φ = 16087680.

The previous prime is 22244251. The next prime is 22244293. The reversal of 22244255 is 55244222.

It is not a de Polignac number, because 22244255 - 2² = 22244251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9809 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (1830114).

Almost surely, 2^22244255 is an apocalyptic number.

22244255 is a deficient number, since it is larger than the sum of its proper divisors (7037569).

22244255 is a wasteful number, since it uses less digits than its factorization.

22244255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266.

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

The square root of 22244255 is about 4716.3815579319. The cubic root of 22244255 is about 281.2371068987.

Adding to 22244255 its reverse (55244222), we get a palindrome (77488477).

The spelling of 22244255 in words is "twenty-two million, two hundred forty-four thousand, two hundred fifty-five".