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8422101001 = 619108712517
BaseRepresentation
bin1111101011111111…
…10001000000001001
3210201221200001121201
413311333301000021
5114222024213001
63511414504201
7415464451216
oct76577610011
923657601551
108422101001
113632069156
121770665061
13a42b22222
1459c782b0d
153445c7501
hex1f5ff1009

8422101001 has 8 divisors (see below), whose sum is σ = 8444142080. Its totient is φ = 8400088368.

The previous prime is 8422100989. The next prime is 8422101043. The reversal of 8422101001 is 1001012248.

It is a happy number.

8422101001 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 a cyclic number.

It is not a de Polignac number, because 8422101001 - 223 = 8413712393 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 8422101001.

It is not an unprimeable number, because it can be changed into a prime (8422101301) 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, 666595 + ... + 679111.

It is an arithmetic number, because the mean of its divisors is an integer number (1055517760).

Almost surely, 28422101001 is an apocalyptic number.

It is an amenable number.

8422101001 is a deficient number, since it is larger than the sum of its proper divisors (22041079).

8422101001 is a wasteful number, since it uses less digits than its factorization.

8422101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14223.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 8422101001 is about 91772.0055409056. The cubic root of 8422101001 is about 2034.5739600367.

Adding to 8422101001 its reverse (1001012248), we get a palindrome (9423113249).

The spelling of 8422101001 in words is "eight billion, four hundred twenty-two million, one hundred one thousand, one".

Divisors: 1 619 1087 12517 672853 7748023 13605979 8422101001