Search a number
-
+
22205017 = 199241463
BaseRepresentation
bin101010010110…
…1001001011001
31112210010120001
41110231021121
521141030032
62111533001
7356511442
oct124551131
945703501
1022205017
1111596a5a
12752a161
1347a5c83
142d402c9
151e393e7
hex152d259

22205017 has 8 divisors (see below), whose sum is σ = 22457600. Its totient is φ = 21954240.

The previous prime is 22204999. The next prime is 22205033. The reversal of 22205017 is 71050222.

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 22205017 - 223 = 13816409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22204985 and 22205003.

It is not an unprimeable number, because it can be changed into a prime (22205317) 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, 47728 + ... + 48190.

It is an arithmetic number, because the mean of its divisors is an integer number (2807200).

Almost surely, 222205017 is an apocalyptic number.

It is an amenable number.

22205017 is a deficient number, since it is larger than the sum of its proper divisors (252583).

22205017 is a wasteful number, since it uses less digits than its factorization.

22205017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 22205017 is about 4712.2199651544. The cubic root of 22205017 is about 281.0716458016.

Adding to 22205017 its reverse (71050222), we get a palindrome (93255239).

The spelling of 22205017 in words is "twenty-two million, two hundred five thousand, seventeen".

Divisors: 1 199 241 463 47959 92137 111583 22205017