Search a number
-
+
222232205 = 5133418957
BaseRepresentation
bin11010011111011…
…11111010001101
3120111011120021102
431033233322031
5423342412310
634015112445
75335641206
oct1517577215
9514146242
10222232205
11104498388
1262512725
133706c760
142172c5ad
151479b8a5
hexd3efe8d

222232205 has 8 divisors (see below), whose sum is σ = 287192472. Its totient is φ = 164109888.

The previous prime is 222232193. The next prime is 222232229. The reversal of 222232205 is 502232222.

It can be written as a sum of positive squares in 4 ways, for example, as 27741289 + 194490916 = 5267^2 + 13946^2 .

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 222232205 - 212 = 222228109 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709414 + ... + 1709543.

It is an arithmetic number, because the mean of its divisors is an integer number (35899059).

Almost surely, 2222232205 is an apocalyptic number.

It is an amenable number.

222232205 is a deficient number, since it is larger than the sum of its proper divisors (64960267).

222232205 is a wasteful number, since it uses less digits than its factorization.

222232205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418975.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 222232205 is about 14907.4546787840. The cubic root of 222232205 is about 605.7159340971.

Adding to 222232205 its reverse (502232222), we get a palindrome (724464427).

The spelling of 222232205 in words is "two hundred twenty-two million, two hundred thirty-two thousand, two hundred five".

Divisors: 1 5 13 65 3418957 17094785 44446441 222232205