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2122202122 = 2792170021
BaseRepresentation
bin111111001111110…
…0011110000001010
312110220022001000121
41332133203300022
513321240431442
6550330053454
7103406264125
oct17637436012
95426261017
102122202122
11999a22957
124b287a28a
1327a892701
14161bc93bc
15c64a0967
hex7e7e3c0a

2122202122 has 12 divisors (see below), whose sum is σ = 3224127186. Its totient is φ = 1047663240.

The previous prime is 2122202119. The next prime is 2122202143. The reversal of 2122202122 is 2212022212.

It can be written as a sum of positive squares in only one way, i.e., 1759718601 + 362483521 = 41949^2 + 19039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2122202096 and 2122202105.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72529 + ... + 97492.

Almost surely, 22122202122 is an apocalyptic number.

2122202122 is a deficient number, since it is larger than the sum of its proper divisors (1101925064).

2122202122 is an equidigital number, since it uses as much as digits as its factorization.

2122202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170181 (or 170102 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2122202122 is about 46067.3650429455. The cubic root of 2122202122 is about 1285.0763018478.

Adding to 2122202122 its reverse (2212022212), we get a palindrome (4334224334).

The spelling of 2122202122 in words is "two billion, one hundred twenty-two million, two hundred two thousand, one hundred twenty-two".

Divisors: 1 2 79 158 6241 12482 170021 340042 13431659 26863318 1061101061 2122202122