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1000222000001 = 7142888857143
BaseRepresentation
bin11101000111000011110…
…00001000001110000001
310112121202012011012020022
432203201320020032001
5112341423313000001
62043255020423225
7132156301502240
oct16434170101601
93477665135208
101000222000001
11356212274874
12141a243a7b15
13734222866a3
14365a7b14957
151b040eb911b
hexe8e1e08381

1000222000001 has 4 divisors (see below), whose sum is σ = 1143110857152. Its totient is φ = 857333142852.

The previous prime is 1000221999991. The next prime is 1000222000027. The reversal of 1000222000001 is 1000002220001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000222000001 - 238 = 725344093057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000222000051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71444428565 + ... + 71444428578.

It is an arithmetic number, because the mean of its divisors is an integer number (285777714288).

Almost surely, 21000222000001 is an apocalyptic number.

It is an amenable number.

1000222000001 is a deficient number, since it is larger than the sum of its proper divisors (142888857151).

1000222000001 is an equidigital number, since it uses as much as digits as its factorization.

1000222000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142888857150.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1000222000001 its reverse (1000002220001), we get a palindrome (2000224220002).

The spelling of 1000222000001 in words is "one trillion, two hundred twenty-two million, one", and thus it is an aban number.

Divisors: 1 7 142888857143 1000222000001