22303222 has 8 divisors (see below), whose sum is σ = 33831000. Its totient is φ = 11026224.

The previous prime is 22303217. The next prime is 22303223. The reversal of 22303222 is 22230322.

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

It is a junction number, because it is equal to n+sod(n) for n = 22303196 and 22303205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303223) 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, 62472 + ... + 62827.

It is an arithmetic number, because the mean of its divisors is an integer number (4228875).

Almost surely, 2^22303222 is an apocalyptic number.

22303222 is a deficient number, since it is larger than the sum of its proper divisors (11527778).

22303222 is a wasteful number, since it uses less digits than its factorization.

22303222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125390.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22303222 is about 4722.6287171447. The cubic root of 22303222 is about 281.4853968681.

Adding to 22303222 its reverse (22230322), we get a palindrome (44533544).

Subtracting from 22303222 its reverse (22230322), we obtain a square (72900 = 270²).

It can be divided in two parts, 2230322 and 2, that multiplied together give a palindrome (4460644).

The spelling of 22303222 in words is "twenty-two million, three hundred three thousand, two hundred twenty-two".