Search a number
-
+
22253939 = 314117509
BaseRepresentation
bin101010011100…
…1000101110011
31112212121122222
41110321011303
521144111224
62112551255
7360104201
oct124710563
945777588
1022253939
111161a794
12755252b
1347c2316
142d54071
151e48b5e
hex1539173

22253939 has 8 divisors (see below), whose sum is σ = 23533440. Its totient is φ = 21009600.

The previous prime is 22253879. The next prime is 22253947. The reversal of 22253939 is 93935222.

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 22253939 - 216 = 22188403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22253899 and 22253908.

It is not an unprimeable number, because it can be changed into a prime (22253239) 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, 7484 + ... + 10025.

It is an arithmetic number, because the mean of its divisors is an integer number (2941680).

Almost surely, 222253939 is an apocalyptic number.

22253939 is a deficient number, since it is larger than the sum of its proper divisors (1279501).

22253939 is a wasteful number, since it uses less digits than its factorization.

22253939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17581.

The product of its digits is 29160, while the sum is 35.

The square root of 22253939 is about 4717.4080807155. The cubic root of 22253939 is about 281.2779130157.

The spelling of 22253939 in words is "twenty-two million, two hundred fifty-three thousand, nine hundred thirty-nine".

Divisors: 1 31 41 1271 17509 542779 717869 22253939