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222212010020001 = 3557159078359933
BaseRepresentation
bin110010100001100111000011…
…111011000000110010100001
31002010210021001001012022220020
4302201213003323000302201
5213111210144031120001
62104334442123104053
764543200521310201
oct6241470373006241
91063707031168806
10222212010020001
1164892647668131
1220b0a214672029
1396cb66c388651
143cc31938bc401
151aa539e926736
hexca19c3ec0ca1

222212010020001 has 16 divisors (see below), whose sum is σ = 296833300720704. Its totient is φ = 147866063171904.

The previous prime is 222212010019921. The next prime is 222212010020041. The reversal of 222212010020001 is 100020010212222.

It is not a de Polignac number, because 222212010020001 - 27 = 222212010019873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222212010020041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22400631 + ... + 30760563.

It is an arithmetic number, because the mean of its divisors is an integer number (18552081295044).

Almost surely, 2222212010020001 is an apocalyptic number.

It is an amenable number.

222212010020001 is a deficient number, since it is larger than the sum of its proper divisors (74621290700703).

222212010020001 is a wasteful number, since it uses less digits than its factorization.

222212010020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8376400.

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

Adding to 222212010020001 its reverse (100020010212222), we get a palindrome (322232020232223).

The spelling of 222212010020001 in words is "two hundred twenty-two trillion, two hundred twelve billion, ten million, twenty thousand, one".

Divisors: 1 3 557 1671 15907 47721 8359933 8860199 25079799 26580597 4656482681 13969448043 132981454231 398944362693 74070670006667 222212010020001