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2122132222 = 27385339341
BaseRepresentation
bin111111001111101…
…0010101011111110
312110220011111010201
41332133102223332
513321231212342
6550324354114
7103405553260
oct17637225376
95426144121
102122132222
11999985391
124b284593a
1327a869952
14161babb30
15c6489db7
hex7e7d2afe

2122132222 has 16 divisors (see below), whose sum is σ = 3638977632. Its totient is φ = 909226080.

The previous prime is 2122132213. The next prime is 2122132241. The reversal of 2122132222 is 2222312212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122132222.

It is a congruent 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, 34272 + ... + 73612.

It is an arithmetic number, because the mean of its divisors is an integer number (227436102).

Almost surely, 22122132222 is an apocalyptic number.

2122132222 is a deficient number, since it is larger than the sum of its proper divisors (1516845410).

2122132222 is a wasteful number, since it uses less digits than its factorization.

2122132222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43203.

The product of its digits is 384, while the sum is 19.

The square root of 2122132222 is about 46066.6063651318. The cubic root of 2122132222 is about 1285.0621926325.

Adding to 2122132222 its reverse (2222312212), we get a palindrome (4344444434).

The spelling of 2122132222 in words is "two billion, one hundred twenty-two million, one hundred thirty-two thousand, two hundred twenty-two".

Divisors: 1 2 7 14 3853 7706 26971 39341 53942 78682 275387 550774 151580873 303161746 1061066111 2122132222