22224555 has 48 divisors (see below), whose sum is σ = 40772160. Its totient is φ = 11176704.

The previous prime is 22224539. The next prime is 22224563. The reversal of 22224555 is 55542222.

It is not a de Polignac number, because 22224555 - 2⁴ = 22224539 is a prime.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112717 + ... + 112913.

It is an arithmetic number, because the mean of its divisors is an integer number (849420).

Almost surely, 2^22224555 is an apocalyptic number.

22224555 is a deficient number, since it is larger than the sum of its proper divisors (18547605).

22224555 is a wasteful number, since it uses less digits than its factorization.

22224555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 22224555 is about 4714.2926298651. The cubic root of 22224555 is about 281.1540591279.

Adding to 22224555 its reverse (55542222), we get a palindrome (77766777).

The spelling of 22224555 in words is "twenty-two million, two hundred twenty-four thousand, five hundred fifty-five".