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12222310033 = 85597142789
BaseRepresentation
bin10110110001000000…
…11010011010010001
31011112210102200101101
423120200122122101
5200012402410113
65340450304401
7611610630643
oct133040323221
934483380341
1012222310033
1152021a247a
122451288101
1311ca23081b
1483d36a893
154b80352dd
hex2d881a691

12222310033 has 4 divisors (see below), whose sum is σ = 12222538420. Its totient is φ = 12222081648.

The previous prime is 12222310013. The next prime is 12222310039. The reversal of 12222310033 is 33001322221.

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 3958045569 + 8264264464 = 62913^2 + 90908^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222310033 - 213 = 12222301841 is a prime.

It is a super-2 number, since 2×122223100332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222310039) 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, 14203 + ... + 156991.

It is an arithmetic number, because the mean of its divisors is an integer number (3055634605).

Almost surely, 212222310033 is an apocalyptic number.

It is an amenable number.

12222310033 is a deficient number, since it is larger than the sum of its proper divisors (228387).

12222310033 is an equidigital number, since it uses as much as digits as its factorization.

12222310033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228386.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12222310033 its reverse (33001322221), we get a palindrome (45223632254).

The spelling of 12222310033 in words is "twelve billion, two hundred twenty-two million, three hundred ten thousand, thirty-three".

Divisors: 1 85597 142789 12222310033