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12224441 = 19762053
BaseRepresentation
bin101110101000…
…011110111001
3212000001210002
4232220132321
511112140231
61114002345
7205622525
oct56503671
925001702
1012224441
11699a449
1241163b5
1326c01c8
1418a2d85
1511170cb
hexba87b9

12224441 has 4 divisors (see below), whose sum is σ = 12286692. Its totient is φ = 12162192.

The previous prime is 12224413. The next prime is 12224473. The reversal of 12224441 is 14442221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8970025 + 3254416 = 2995^2 + 1804^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224441 - 210 = 12223417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220441) 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, 30830 + ... + 31223.

It is an arithmetic number, because the mean of its divisors is an integer number (3071673).

Almost surely, 212224441 is an apocalyptic number.

It is an amenable number.

12224441 is a deficient number, since it is larger than the sum of its proper divisors (62251).

12224441 is an equidigital number, since it uses as much as digits as its factorization.

12224441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62250.

The product of its digits is 512, while the sum is 20.

The square root of 12224441 is about 3496.3468077409. The cubic root of 12224441 is about 230.3613789693.

Adding to 12224441 its reverse (14442221), we get a palindrome (26666662).

The spelling of 12224441 in words is "twelve million, two hundred twenty-four thousand, four hundred forty-one".

Divisors: 1 197 62053 12224441