22223560 has 16 divisors (see below), whose sum is σ = 50003100. Its totient is φ = 8889408.

The previous prime is 22223557. The next prime is 22223611. The reversal of 22223560 is 6532222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22221796 + 1764 = 4714^2 + 42^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277755 + ... + 277834.

Almost surely, 2^22223560 is an apocalyptic number.

22223560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223560 is an abundant number, since it is smaller than the sum of its proper divisors (27779540).

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

22223560 is a wasteful number, since it uses less digits than its factorization.

22223560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555600 (or 555596 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 22223560 is about 4714.1870985357. The cubic root of 22223560 is about 281.1498632814.

Adding to 22223560 its reverse (6532222), we get a palindrome (28755782).

The spelling of 22223560 in words is "twenty-two million, two hundred twenty-three thousand, five hundred sixty".