Search a number
-
+
22106255 = 5311271123
BaseRepresentation
bin101010001010…
…1000010001111
31112121010002012
41110111002033
521124400010
62105451435
7355620503
oct124250217
945533065
1022106255
1111529836
1274a0b7b
134770032
142d16303
151e1a005
hex151508f

22106255 has 16 divisors (see below), whose sum is σ = 27623424. Its totient is φ = 16964640.

The previous prime is 22106233. The next prime is 22106261. The reversal of 22106255 is 55260122.

It is not a de Polignac number, because 22106255 - 214 = 22089871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22106255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19124 + ... + 20246.

It is an arithmetic number, because the mean of its divisors is an integer number (1726464).

Almost surely, 222106255 is an apocalyptic number.

22106255 is a deficient number, since it is larger than the sum of its proper divisors (5517169).

22106255 is a wasteful number, since it uses less digits than its factorization.

22106255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 22106255 is about 4701.7289373166. The cubic root of 22106255 is about 280.6543158644.

Adding to 22106255 its reverse (55260122), we get a palindrome (77366377).

The spelling of 22106255 in words is "twenty-two million, one hundred six thousand, two hundred fifty-five".

Divisors: 1 5 31 127 155 635 1123 3937 5615 19685 34813 142621 174065 713105 4421251 22106255