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12422214 = 233759557
BaseRepresentation
bin101111011000…
…110001000110
3212101010002000
4233120301012
511140002324
61122130130
7210405240
oct57306106
925333060
1012422214
117014aa2
1241b0946
13275c22c
141915090
1511559c9
hexbd8c46

12422214 has 64 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 3482784.

The previous prime is 12422209. The next prime is 12422243. The reversal of 12422214 is 41222421.

12422214 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×124222142 = 308622801323592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22024 + ... + 22580.

It is an arithmetic number, because the mean of its divisors is an integer number (502200).

Almost surely, 212422214 is an apocalyptic number.

12422214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12422214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16070400).

12422214 is an abundant number, since it is smaller than the sum of its proper divisors (19718586).

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

12422214 is a wasteful number, since it uses less digits than its factorization.

12422214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 628 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 12422214 is about 3524.5161370038. The cubic root of 12422214 is about 231.5970388088.

Adding to 12422214 its reverse (41222421), we get a palindrome (53644635).

The spelling of 12422214 in words is "twelve million, four hundred twenty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 59 63 118 126 177 189 354 378 413 531 557 826 1062 1114 1239 1593 1671 2478 3186 3342 3717 3899 5013 7434 7798 10026 11151 11697 15039 22302 23394 30078 32863 35091 65726 70182 98589 105273 197178 210546 230041 295767 460082 591534 690123 887301 1380246 1774602 2070369 4140738 6211107 12422214