Search a number
-
+
22360285 = 525717401
BaseRepresentation
bin101010101001…
…1000011011101
31120002000112201
41111103003131
521211012120
62115131501
7361026223
oct125230335
946060481
1022360285
1111692682
1275a3b91
13482b84c
142d80b13
151e6a40a
hex15530dd

22360285 has 8 divisors (see below), whose sum is σ = 26938296. Its totient is φ = 17817600.

The previous prime is 22360279. The next prime is 22360291. The reversal of 22360285 is 58206322.

It is an interprime number because it is at equal distance from previous prime (22360279) and next prime (22360291).

It can be written as a sum of positive squares in 4 ways, for example, as 9205156 + 13155129 = 3034^2 + 3627^2 .

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

It is not a de Polignac number, because 22360285 - 23 = 22360277 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 7416 + ... + 9985.

It is an arithmetic number, because the mean of its divisors is an integer number (3367287).

Almost surely, 222360285 is an apocalyptic number.

It is an amenable number.

22360285 is a deficient number, since it is larger than the sum of its proper divisors (4578011).

22360285 is a wasteful number, since it uses less digits than its factorization.

22360285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22360285 is about 4728.6663024578. Note that the first 3 decimals coincide. The cubic root of 22360285 is about 281.7252534239.

The spelling of 22360285 in words is "twenty-two million, three hundred sixty thousand, two hundred eighty-five".

Divisors: 1 5 257 1285 17401 87005 4472057 22360285