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222221001201 = 31271039156131
BaseRepresentation
bin1100111011110101100…
…1110110000111110001
3210020120222000111121220
43032331121312013301
512120102034014301
6250030435135253
722024562226033
oct3167531660761
9706528014556
10222221001201
1186274a64301
1237099444529
1317c55b9c4b4
14aa8134dc53
155ba91a9936
hex33bd6761f1

222221001201 has 16 divisors (see below), whose sum is σ = 298661756928. Its totient is φ = 146964056400.

The previous prime is 222221001193. The next prime is 222221001367. The reversal of 222221001201 is 102100122222.

It is not a de Polignac number, because 222221001201 - 23 = 222221001193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222221001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3930906 + ... + 3987036.

It is an arithmetic number, because the mean of its divisors is an integer number (18666359808).

Almost surely, 2222221001201 is an apocalyptic number.

It is an amenable number.

222221001201 is a deficient number, since it is larger than the sum of its proper divisors (76440755727).

222221001201 is a wasteful number, since it uses less digits than its factorization.

222221001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66652.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222221001201 its reverse (102100122222), we get a palindrome (324321123423).

The spelling of 222221001201 in words is "two hundred twenty-two billion, two hundred twenty-one million, one thousand, two hundred one".

Divisors: 1 3 127 381 10391 31173 56131 168393 1319657 3958971 7128637 21385911 583257221 1749771663 74073667067 222221001201