22255224 has 16 divisors (see below), whose sum is σ = 55638120. Its totient is φ = 7418400.

The previous prime is 22255199. The next prime is 22255229. The reversal of 22255224 is 42255222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 927301 = 22255224 / (2 + 2 + 2 + 5 + 5 + 2 + 2 + 4).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 22255194 and 22255203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255229) 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 3 ways as a sum of consecutive naturals, for example, 463627 + ... + 463674.

Almost surely, 2^22255224 is an apocalyptic number.

22255224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22255224 is an abundant number, since it is smaller than the sum of its proper divisors (33382896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22255224 is a wasteful number, since it uses less digits than its factorization.

22255224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927310 (or 927306 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 22255224 is about 4717.5442764218. The cubic root of 22255224 is about 281.2833268162.

The spelling of 22255224 in words is "twenty-two million, two hundred fifty-five thousand, two hundred twenty-four".