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12442022 = 28969899
BaseRepresentation
bin101111011101…
…100110100110
3212102010020122
4233131212212
511141121042
61122401542
7210520055
oct57354646
925363218
1012442022
11702896a
1242002b2
132768258
14191c39c
15115b7d2
hexbdd9a6

12442022 has 8 divisors (see below), whose sum is σ = 18873000. Its totient is φ = 6151024.

The previous prime is 12442021. The next prime is 12442033. The reversal of 12442022 is 22024421.

It is a happy number.

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

It is a super-2 number, since 2×124420222 = 309607822896968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442021) 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, 34772 + ... + 35127.

It is an arithmetic number, because the mean of its divisors is an integer number (2359125).

Almost surely, 212442022 is an apocalyptic number.

12442022 is a deficient number, since it is larger than the sum of its proper divisors (6430978).

12442022 is an equidigital number, since it uses as much as digits as its factorization.

12442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69990.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 12442022 is about 3527.3250488153. The cubic root of 12442022 is about 231.7200721093.

Adding to 12442022 its reverse (22024421), we get a palindrome (34466443).

The spelling of 12442022 in words is "twelve million, four hundred forty-two thousand, twenty-two".

Divisors: 1 2 89 178 69899 139798 6221011 12442022