Search a number
-
+
2204004221 = 97223101891
BaseRepresentation
bin1000001101011110…
…0110111101111101
312200121020000101222
42003113212331331
514003211113341
61002411243125
7105421504166
oct20327467575
95617200358
102204004221
11a31114aa1
125161494a5
13291804113
1416ca0076d
15cd75d44b
hex835e6f7d

2204004221 has 8 divisors (see below), whose sum is σ = 2236733184. Its totient is φ = 2171479680.

The previous prime is 2204004217. The next prime is 2204004281. The reversal of 2204004221 is 1224004022.

It is a happy number.

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 2204004221 - 22 = 2204004217 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 2204004221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204004281) 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, 29315 + ... + 72576.

It is an arithmetic number, because the mean of its divisors is an integer number (279591648).

Almost surely, 22204004221 is an apocalyptic number.

It is an amenable number.

2204004221 is a deficient number, since it is larger than the sum of its proper divisors (32728963).

2204004221 is a wasteful number, since it uses less digits than its factorization.

2204004221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102211.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2204004221 is about 46946.8233323619. The cubic root of 2204004221 is about 1301.3800376344.

Adding to 2204004221 its reverse (1224004022), we get a palindrome (3428008243).

The spelling of 2204004221 in words is "two billion, two hundred four million, four thousand, two hundred twenty-one".

Divisors: 1 97 223 21631 101891 9883427 22721693 2204004221