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12222214 = 211175471
BaseRepresentation
bin101110100111…
…111100000110
3211222221201121
4232213330012
511112102324
61113544154
7205613164
oct56477406
924887647
1012222214
116998804
12411505a
1326bc1a4
1418a2234
1511165e4
hexba7f06

12222214 has 8 divisors (see below), whose sum is σ = 18353088. Its totient is φ = 6104520.

The previous prime is 12222211. The next prime is 12222241. The reversal of 12222214 is 41222221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (2294136).

Almost surely, 212222214 is an apocalyptic number.

12222214 is a deficient number, since it is larger than the sum of its proper divisors (6130874).

12222214 is a wasteful number, since it uses less digits than its factorization.

12222214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590.

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

The square root of 12222214 is about 3496.0283179631. The cubic root of 12222214 is about 230.3473893467.

Adding to 12222214 its reverse (41222221), we get a palindrome (53444435).

It can be divided in two parts, 1222221 and 4, that multiplied together give a palindrome (4888884).

The spelling of 12222214 in words is "twelve million, two hundred twenty-two thousand, two hundred fourteen".

Divisors: 1 2 1117 2234 5471 10942 6111107 12222214