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22200211321231 = 8312720111047281
BaseRepresentation
bin1010000110000111000111…
…01101011011000110001111
32220121022121220020021100111
411003003203231123012033
510402212013044234411
6115114345234340451
74450624634462566
oct503034355330617
986538556207314
1022200211321231
11708a069594869
1225a6671a2a727
13c50617886608
1456a6d2cbabdd
15287729b2b721
hex1430e3b5b18f

22200211321231 has 16 divisors (see below), whose sum is σ = 22655876640768. Its totient is φ = 21749198889600.

The previous prime is 22200211321177. The next prime is 22200211321241. The reversal of 22200211321231 is 13212311200222.

It is a cyclic number.

It is not a de Polignac number, because 22200211321231 - 27 = 22200211321103 is a prime.

It is a super-2 number, since 2×222002113212312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200211321241) 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, 20674311 + ... + 21721591.

It is an arithmetic number, because the mean of its divisors is an integer number (1415992290048).

Almost surely, 222200211321231 is an apocalyptic number.

22200211321231 is a deficient number, since it is larger than the sum of its proper divisors (455665319537).

22200211321231 is a wasteful number, since it uses less digits than its factorization.

22200211321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049502.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22200211321231 its reverse (13212311200222), we get a palindrome (35412522521453).

The spelling of 22200211321231 in words is "twenty-two trillion, two hundred billion, two hundred eleven million, three hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 83 127 2011 10541 166913 255397 1047281 21197951 86924323 133004687 2106082091 11039389021 174804813553 267472425557 22200211321231