22124855 has 16 divisors (see below), whose sum is σ = 27552000. Its totient is φ = 17038080.

The previous prime is 22124849. The next prime is 22124857. The reversal of 22124855 is 55842122.

It is not a de Polignac number, because 22124855 - 2¹² = 22120759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22124857) 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, 53891 + ... + 54299.

It is an arithmetic number, because the mean of its divisors is an integer number (1722000).

Almost surely, 2^22124855 is an apocalyptic number.

22124855 is a deficient number, since it is larger than the sum of its proper divisors (5427145).

22124855 is a wasteful number, since it uses less digits than its factorization.

22124855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794.

The product of its digits is 6400, while the sum is 29.

The square root of 22124855 is about 4703.7065172053. The cubic root of 22124855 is about 280.7330071200.

Adding to 22124855 its reverse (55842122), we get a palindrome (77966977).

It can be divided in two parts, 221 and 24855, that multiplied together give a triangular number (5492955 = T₃₃₁₄).

The spelling of 22124855 in words is "twenty-two million, one hundred twenty-four thousand, eight hundred fifty-five".