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12222022330 = 2571710270607
BaseRepresentation
bin10110110000111110…
…10100001010111010
31011112202220001201201
423120133110022322
5200012314203310
65340440204414
7611605322110
oct133037241272
934482801651
1012222022330
115202016301
12245116970a
1311ca15c89b
1483d2d3ab0
154b7ec9e3a
hex2d87d42ba

12222022330 has 32 divisors (see below), whose sum is σ = 26621415936. Its totient is φ = 3943912704.

The previous prime is 12222022301. The next prime is 12222022331. The reversal of 12222022330 is 3322022221.

It is a junction number, because it is equal to n+sod(n) for n = 12222022298 and 12222022307.

It is not an unprimeable number, because it can be changed into a prime (12222022331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5134114 + ... + 5136493.

It is an arithmetic number, because the mean of its divisors is an integer number (831919248).

Almost surely, 212222022330 is an apocalyptic number.

12222022330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222022330 is an abundant number, since it is smaller than the sum of its proper divisors (14399393606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12222022330 is a wasteful number, since it uses less digits than its factorization.

12222022330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270638.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12222022330 its reverse (3322022221), we get a palindrome (15544044551).

The spelling of 12222022330 in words is "twelve billion, two hundred twenty-two million, twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 70 85 119 170 238 595 1190 10270607 20541214 51353035 71894249 102706070 143788498 174600319 349200638 359471245 718942490 873001595 1222202233 1746003190 2444404466 6111011165 12222022330