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10002202221 = 3111459207743
BaseRepresentation
bin10010101000010110…
…10111111001101101
3221211001220112000010
421110023113321231
5130441030432341
64332301523433
7502602213264
oct112413277155
927731815003
1010002202221
114272a89630
121b31873579
13c352ab96b
146ac5775db
153d8195716
hex2542d7e6d

10002202221 has 16 divisors (see below), whose sum is σ = 14558699520. Its totient is φ = 6057756720.

The previous prime is 10002202201. The next prime is 10002202247. The reversal of 10002202221 is 12220220001.

It is not a de Polignac number, because 10002202221 - 210 = 10002201197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10002202197 and 10002202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002202201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55725 + ... + 152018.

It is an arithmetic number, because the mean of its divisors is an integer number (909918720).

Almost surely, 210002202221 is an apocalyptic number.

10002202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10002202221 is a deficient number, since it is larger than the sum of its proper divisors (4556497299).

10002202221 is a wasteful number, since it uses less digits than its factorization.

10002202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209216.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10002202221 its reverse (12220220001), we get a palindrome (22222422222).

The spelling of 10002202221 in words is "ten billion, two million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 3 11 33 1459 4377 16049 48147 207743 623229 2285173 6855519 303097037 909291111 3334067407 10002202221