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12422299 = 53234383
BaseRepresentation
bin101111011000…
…110010011011
3212101010012011
4233120302123
511140003144
61122130351
7210405421
oct57306233
925333164
1012422299
11701506a
1241b09b7
13275c296
141915111
151155a34
hexbd8c9b

12422299 has 4 divisors (see below), whose sum is σ = 12656736. Its totient is φ = 12187864.

The previous prime is 12422287. The next prime is 12422309. The reversal of 12422299 is 99222421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99222421 = 175836613.

It is a cyclic number.

It is not a de Polignac number, because 12422299 - 213 = 12414107 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12422299.

It is not an unprimeable number, because it can be changed into a prime (12422209) 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, 117139 + ... + 117244.

It is an arithmetic number, because the mean of its divisors is an integer number (3164184).

Almost surely, 212422299 is an apocalyptic number.

12422299 is a deficient number, since it is larger than the sum of its proper divisors (234437).

12422299 is an equidigital number, since it uses as much as digits as its factorization.

12422299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234436.

The product of its digits is 5184, while the sum is 31.

The square root of 12422299 is about 3524.5281953759. The cubic root of 12422299 is about 231.5975670481.

It can be divided in two parts, 12422 and 299, that added together give a palindrome (12721).

The spelling of 12422299 in words is "twelve million, four hundred twenty-two thousand, two hundred ninety-nine".

Divisors: 1 53 234383 12422299