Search a number
-
+
22105055 = 57631573
BaseRepresentation
bin101010001010…
…0101111011111
31112121001102202
41110110233133
521124330210
62105442115
7355614140
oct124245737
945531382
1022105055
1111528945
1274a033b
13476c61b
142d15ac7
151e199a5
hex1514bdf

22105055 has 8 divisors (see below), whose sum is σ = 30315552. Its totient is φ = 15157728.

The previous prime is 22105051. The next prime is 22105063. The reversal of 22105055 is 55050122.

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 22105055 - 22 = 22105051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22105051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315752 + ... + 315821.

It is an arithmetic number, because the mean of its divisors is an integer number (3789444).

Almost surely, 222105055 is an apocalyptic number.

22105055 is a deficient number, since it is larger than the sum of its proper divisors (8210497).

22105055 is an equidigital number, since it uses as much as digits as its factorization.

22105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631585.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 22105055 is about 4701.6013229537. The cubic root of 22105055 is about 280.6492374937.

Adding to 22105055 its reverse (55050122), we get a palindrome (77155177).

The spelling of 22105055 in words is "twenty-two million, one hundred five thousand, fifty-five".

Divisors: 1 5 7 35 631573 3157865 4421011 22105055