Search a number
-
+
2225302221 = 31674441721
BaseRepresentation
bin1000010010100011…
…0110101011001101
312202002022001202210
42010220312223031
514024134132341
61004451541033
7106100520402
oct20450665315
95662261683
102225302221
11a4214154a
125212ba779
1329605029c
141717862a9
15d0568c16
hex84a36acd

2225302221 has 8 divisors (see below), whose sum is σ = 2984837184. Its totient is φ = 1474651040.

The previous prime is 2225302217. The next prime is 2225302223. The reversal of 2225302221 is 1222035222.

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 2225302221 - 22 = 2225302217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225302223) 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, 2220360 + ... + 2221361.

It is an arithmetic number, because the mean of its divisors is an integer number (373104648).

Almost surely, 22225302221 is an apocalyptic number.

It is an amenable number.

2225302221 is a deficient number, since it is larger than the sum of its proper divisors (759534963).

2225302221 is a wasteful number, since it uses less digits than its factorization.

2225302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441891.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2225302221 is about 47173.1090876995. The cubic root of 2225302221 is about 1305.5584914466.

Adding to 2225302221 its reverse (1222035222), we get a palindrome (3447337443).

The spelling of 2225302221 in words is "two billion, two hundred twenty-five million, three hundred two thousand, two hundred twenty-one".

Divisors: 1 3 167 501 4441721 13325163 741767407 2225302221