22106555 has 8 divisors (see below), whose sum is σ = 27442800. Its totient is φ = 17075296.

The previous prime is 22106543. The next prime is 22106563. The reversal of 22106555 is 55560122.

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 22106555 - 2²⁰ = 21057979 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 7 ways as a sum of consecutive naturals, for example, 76085 + ... + 76374.

It is an arithmetic number, because the mean of its divisors is an integer number (3430350).

Almost surely, 2^22106555 is an apocalyptic number.

22106555 is a deficient number, since it is larger than the sum of its proper divisors (5336245).

22106555 is a wasteful number, since it uses less digits than its factorization.

22106555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152493.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 22106555 is about 4701.7608403661. The cubic root of 22106555 is about 280.6555854283.

Adding to 22106555 its reverse (55560122), we get a palindrome (77666677).

The spelling of 22106555 in words is "twenty-two million, one hundred six thousand, five hundred fifty-five".