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8222801 = 19457947
BaseRepresentation
bin11111010111100001010001
3120110202120012
4133113201101
54101112201
6452124305
7126615116
oct37274121
916422505
108222801
114706a04
122906695
13191b982
14114090d
15ac65bb
hex7d7851

8222801 has 8 divisors (see below), whose sum is σ = 8683680. Its totient is φ = 7764768.

The previous prime is 8222783. The next prime is 8222807. The reversal of 8222801 is 1082228.

8222801 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8222801 - 26 = 8222737 is a prime.

It is a super-2 number, since 2×82228012 = 135228912571202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8222807) 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, 8210 + ... + 9156.

It is an arithmetic number, because the mean of its divisors is an integer number (1085460).

Almost surely, 28222801 is an apocalyptic number.

It is an amenable number.

8222801 is a deficient number, since it is larger than the sum of its proper divisors (460879).

8222801 is a wasteful number, since it uses less digits than its factorization.

8222801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 8222801 is about 2867.5426762299. The cubic root of 8222801 is about 201.8397006209.

The spelling of 8222801 in words is "eight million, two hundred twenty-two thousand, eight hundred one".

Divisors: 1 19 457 947 8683 17993 432779 8222801