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2022212213 = 7243959759
BaseRepresentation
bin111100010001000…
…1000001001110101
312012221011000122122
41320202020021311
513120141242323
6532355005325
7101053343300
oct17042101165
95187130578
102022212213
11948538a6a
12485299845
13262c53698
141527dbb37
15bc7edec8
hex78888275

2022212213 has 12 divisors (see below), whose sum is σ = 2407078080. Its totient is φ = 1693013112.

The previous prime is 2022212207. The next prime is 2022212219. The reversal of 2022212213 is 3122122202.

It is an interprime number because it is at equal distance from previous prime (2022212207) and next prime (2022212219).

It is not a de Polignac number, because 2022212213 - 212 = 2022208117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022212191 and 2022212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022212219) 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 11 ways as a sum of consecutive naturals, for example, 477773 + ... + 481986.

It is an arithmetic number, because the mean of its divisors is an integer number (200589840).

Almost surely, 22022212213 is an apocalyptic number.

It is an amenable number.

2022212213 is a deficient number, since it is larger than the sum of its proper divisors (384865867).

2022212213 is an equidigital number, since it uses as much as digits as its factorization.

2022212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959816 (or 959809 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2022212213 is about 44969.0139206988. The cubic root of 2022212213 is about 1264.5681608044.

Adding to 2022212213 its reverse (3122122202), we get a palindrome (5144334415).

The spelling of 2022212213 in words is "two billion, twenty-two million, two hundred twelve thousand, two hundred thirteen".

Divisors: 1 7 43 49 301 2107 959759 6718313 41269637 47028191 288887459 2022212213