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22115230301 = 411277422393
BaseRepresentation
bin10100100110001010…
…111010001001011101
32010002020201002201202
4110212022322021131
5330242444332201
614054250045245
71412015233043
oct244612721135
963066632652
1022115230301
11941951a93a
124352419825
132115998bb8
1410db1b8393
158967e0c6b
hex5262ba25d

22115230301 has 8 divisors (see below), whose sum is σ = 22672420344. Its totient is φ = 21558887680.

The previous prime is 22115230243. The next prime is 22115230303. The reversal of 22115230301 is 10303251122.

It can be written as a sum of positive squares in 4 ways, for example, as 755700100 + 21359530201 = 27490^2 + 146149^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22115230301 - 218 = 22114968157 is a prime.

It is a super-2 number, since 2×221152303012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22115230303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158840 + ... + 263553.

It is an arithmetic number, because the mean of its divisors is an integer number (2834052543).

Almost surely, 222115230301 is an apocalyptic number.

It is an amenable number.

22115230301 is a deficient number, since it is larger than the sum of its proper divisors (557190043).

22115230301 is a wasteful number, since it uses less digits than its factorization.

22115230301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423711.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 22115230301 its reverse (10303251122), we get a palindrome (32418481423).

The spelling of 22115230301 in words is "twenty-two billion, one hundred fifteen million, two hundred thirty thousand, three hundred one".

Divisors: 1 41 1277 52357 422393 17318113 539395861 22115230301