22201255 has 16 divisors (see below), whose sum is σ = 27435744. Its totient is φ = 17239680.

The previous prime is 22201247. The next prime is 22201259. The reversal of 22201255 is 55210222.

It is not a de Polignac number, because 22201255 - 2³ = 22201247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201259) 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 15 ways as a sum of consecutive naturals, for example, 24877 + ... + 25753.

It is an arithmetic number, because the mean of its divisors is an integer number (1714734).

Almost surely, 2^22201255 is an apocalyptic number.

22201255 is a deficient number, since it is larger than the sum of its proper divisors (5234489).

22201255 is an equidigital number, since it uses as much as digits as its factorization.

22201255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22201255 is about 4711.8207733317. The cubic root of 22201255 is about 281.0557717425.

Adding to 22201255 its reverse (55210222), we get a palindrome (77411477).

The spelling of 22201255 in words is "twenty-two million, two hundred one thousand, two hundred fifty-five".