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122222221120223 = 717460317302889
BaseRepresentation
bin11011110010100100010100…
…000100101101001011011111
3121000202022220201212102210122
4123302210110010231023133
5112004442102101321343
61111540040243425155
734513156402065260
oct3362442404551337
9530668821772718
10122222221120223
1135a4217554a764
121185b59a6851bb
1353276768a2753
142227830ca0967
15e1e431813068
hex6f291412d2df

122222221120223 has 4 divisors (see below), whose sum is σ = 139682538423120. Its totient is φ = 104761903817328.

The previous prime is 122222221120199. The next prime is 122222221120273. The reversal of 122222221120223 is 322021122222221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122222221120223 - 210 = 122222221119199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122222221120192 and 122222221120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222221120273) 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, 8730158651438 + ... + 8730158651451.

It is an arithmetic number, because the mean of its divisors is an integer number (34920634605780).

Almost surely, 2122222221120223 is an apocalyptic number.

122222221120223 is a deficient number, since it is larger than the sum of its proper divisors (17460317302897).

122222221120223 is an equidigital number, since it uses as much as digits as its factorization.

122222221120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17460317302896.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 122222221120223 its reverse (322021122222221), we get a palindrome (444243343342444).

The spelling of 122222221120223 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty-three".

Divisors: 1 7 17460317302889 122222221120223