22230555 has 16 divisors (see below), whose sum is σ = 35679744. Its totient is φ = 11819360.

The previous prime is 22230529. The next prime is 22230583. The reversal of 22230555 is 55503222.

It is not a de Polignac number, because 22230555 - 2⁶ = 22230491 is a prime.

It is an unprimeable number.

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, 3070 + ... + 7340.

It is an arithmetic number, because the mean of its divisors is an integer number (2229984).

Almost surely, 2^22230555 is an apocalyptic number.

22230555 is a deficient number, since it is larger than the sum of its proper divisors (13449189).

22230555 is a wasteful number, since it uses less digits than its factorization.

22230555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 22230555 is about 4714.9289496237. The cubic root of 22230555 is about 281.1793580607.

Adding to 22230555 its reverse (55503222), we get a palindrome (77733777).

The spelling of 22230555 in words is "twenty-two million, two hundred thirty thousand, five hundred fifty-five".