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2022211105 = 51372952133
BaseRepresentation
bin111100010001000…
…0111111000100001
312012221010222010121
41320202013320201
513120141223410
6532355000241
7101053340125
oct17042077041
95187128117
102022211105
11948538152
12485299081
13262c53025
141527db585
15bc7ed9da
hex78887e21

2022211105 has 8 divisors (see below), whose sum is σ = 2444366952. Its totient is φ = 1605959808.

The previous prime is 2022211099. The next prime is 2022211117. The reversal of 2022211105 is 5011122202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 144 + 2022210961 = 12^2 + 44969^2 .

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 2022211105 - 25 = 2022211073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475382 + ... + 1476751.

It is an arithmetic number, because the mean of its divisors is an integer number (305545869).

Almost surely, 22022211105 is an apocalyptic number.

It is an amenable number.

2022211105 is a deficient number, since it is larger than the sum of its proper divisors (422155847).

2022211105 is a wasteful number, since it uses less digits than its factorization.

2022211105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952275.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2022211105 is about 44969.0016011030. The cubic root of 2022211105 is about 1264.5679298458.

Adding to 2022211105 its reverse (5011122202), we get a palindrome (7033333307).

The spelling of 2022211105 in words is "two billion, twenty-two million, two hundred eleven thousand, one hundred five".

Divisors: 1 5 137 685 2952133 14760665 404442221 2022211105