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2200221222221 = 111935537296237
BaseRepresentation
bin100000000001000111011…
…001111000010101001101
321210100011012101210022002
4200001013121320111031
5242022023113102341
64402433452402045
7314650350545561
oct40010731702515
97710135353262
102200221222221
1177912157a570
122b6501776325
1312c63165b369
14786c40b96a1
153c375a9e29b
hex2004767854d

2200221222221 has 16 divisors (see below), whose sum is σ = 2526649450560. Its totient is φ = 1894867649280.

The previous prime is 2200221222151. The next prime is 2200221222281. The reversal of 2200221222221 is 1222221220022.

It is a cyclic number.

It is not a de Polignac number, because 2200221222221 - 210 = 2200221221197 is a prime.

It is a super-3 number, since 3×22002212222213 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200221222193 and 2200221222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200221222281) 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 15 ways as a sum of consecutive naturals, for example, 7279115 + ... + 7575351.

It is an arithmetic number, because the mean of its divisors is an integer number (157915590660).

Almost surely, 22200221222221 is an apocalyptic number.

It is an amenable number.

2200221222221 is a deficient number, since it is larger than the sum of its proper divisors (326428228339).

2200221222221 is a wasteful number, since it uses less digits than its factorization.

2200221222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331804.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2200221222221 its reverse (1222221220022), we get a palindrome (3422442442243).

The spelling of 2200221222221 in words is "two trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 11 19 209 35537 296237 390907 675203 3258607 5628503 7427233 61913533 10527374269 115801116959 200020111111 2200221222221