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12222327 = 313793967
BaseRepresentation
bin101110100111…
…111101110111
3211222221212210
4232213331313
511112103302
61113544503
7205613415
oct56477567
924887783
1012222327
1169988a7
124115133
1326bc260
1418a22b5
15111666c
hexba7f77

12222327 has 16 divisors (see below), whose sum is σ = 17776640. Its totient is φ = 7424352.

The previous prime is 12222319. The next prime is 12222349. The reversal of 12222327 is 72322221.

It is a happy number.

It is not a de Polignac number, because 12222327 - 23 = 12222319 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222307) 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, 1098 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (1111040).

Almost surely, 212222327 is an apocalyptic number.

12222327 is a deficient number, since it is larger than the sum of its proper divisors (5554313).

12222327 is a wasteful number, since it uses less digits than its factorization.

12222327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062.

The product of its digits is 672, while the sum is 21.

The square root of 12222327 is about 3496.0444791221. The cubic root of 12222327 is about 230.3480992338.

Adding to 12222327 its reverse (72322221), we get a palindrome (84544548).

The spelling of 12222327 in words is "twelve million, two hundred twenty-two thousand, three hundred twenty-seven".

Divisors: 1 3 13 39 79 237 1027 3081 3967 11901 51571 154713 313393 940179 4074109 12222327