22210555 has 8 divisors (see below), whose sum is σ = 27220032. Its totient is φ = 17390208.

The previous prime is 22210511. The next prime is 22210579. The reversal of 22210555 is 55501222.

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

It is a cyclic number.

It is not a de Polignac number, because 22210555 - 2⁷ = 22210427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47022 + ... + 47491.

It is an arithmetic number, because the mean of its divisors is an integer number (3402504).

Almost surely, 2^22210555 is an apocalyptic number.

22210555 is a deficient number, since it is larger than the sum of its proper divisors (5009477).

22210555 is an equidigital number, since it uses as much as digits as its factorization.

22210555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94565.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 22210555 is about 4712.8075496460. The cubic root of 22210555 is about 281.0950105722.

Adding to 22210555 its reverse (55501222), we get a palindrome (77711777).

The spelling of 22210555 in words is "twenty-two million, two hundred ten thousand, five hundred fifty-five".