Search a number
-
+
2221033332 = 223726440873
BaseRepresentation
bin1000010001100010…
…0100011101110100
312201210021011221210
42010120210131310
514022041031312
61004220241420
7106016320560
oct20430443564
95653234853
102221033332
11a3a796241
1251b9a0270
132951b720b
14170d946a0
15ceec3e3c
hex84624774

2221033332 has 24 divisors (see below), whose sum is σ = 5922755776. Its totient is φ = 634580928.

The previous prime is 2221033319. The next prime is 2221033333. The reversal of 2221033332 is 2333301222.

It is a super-3 number, since 3×22210333323 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2221033299 and 2221033308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221033333) by changing a digit.

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, 13220353 + ... + 13220520.

Almost surely, 22221033332 is an apocalyptic number.

It is an amenable number.

2221033332 is an abundant number, since it is smaller than the sum of its proper divisors (3701722444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221033332 is a wasteful number, since it uses less digits than its factorization.

2221033332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26440887 (or 26440885 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2221033332 is about 47127.8403069778. The cubic root of 2221033332 is about 1304.7231214830.

Adding to 2221033332 its reverse (2333301222), we get a palindrome (4554334554).

The spelling of 2221033332 in words is "two billion, two hundred twenty-one million, thirty-three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 26440873 52881746 79322619 105763492 158645238 185086111 317290476 370172222 555258333 740344444 1110516666 2221033332