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23222210201 = 29800765869
BaseRepresentation
bin10101101000001001…
…101100111010011001
32012221101200111200022
4111220021230322121
5340024341211301
614400152320225
71451316346511
oct255011547231
965841614608
1023222210201
119937372263
1246010a3075
1322611218a8
1411a4212841
1590daa4d1b
hex56826ce99

23222210201 has 4 divisors (see below), whose sum is σ = 24022976100. Its totient is φ = 22421444304.

The previous prime is 23222210189. The next prime is 23222210233. The reversal of 23222210201 is 10201222232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6292296976 + 16929913225 = 79324^2 + 130115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23222210201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23222210201.

It is not an unprimeable number, because it can be changed into a prime (23222210281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400382906 + ... + 400382963.

It is an arithmetic number, because the mean of its divisors is an integer number (6005744025).

Almost surely, 223222210201 is an apocalyptic number.

It is an amenable number.

23222210201 is a deficient number, since it is larger than the sum of its proper divisors (800765899).

23222210201 is an equidigital number, since it uses as much as digits as its factorization.

23222210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800765898.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23222210201 its reverse (10201222232), we get a palindrome (33423432433).

The spelling of 23222210201 in words is "twenty-three billion, two hundred twenty-two million, two hundred ten thousand, two hundred one".

Divisors: 1 29 800765869 23222210201