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22112222144143 = 202725381767
BaseRepresentation
bin1010000011100011001110…
…01001010110011010001111
32220021220111210001221200211
411001301213021112122033
510344241312332103033
6115010114205103251
74441361323015525
oct501614711263217
986256453057624
1022112222144143
117055816a3279a
1225915b6557b27
13c4523452a9a1
14566347094315
152852ca09e2cd
hex141c6725668f

22112222144143 has 6 divisors (see below), whose sum is σ = 22123140478376. Its totient is φ = 22101309195732.

The previous prime is 22112222144099. The next prime is 22112222144153. The reversal of 22112222144143 is 34144122221122.

It is not a de Polignac number, because 22112222144143 - 229 = 22111685273231 is a prime.

It is a super-3 number, since 3×221122221441433 (a number of 41 digits) contains 333 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 (22112222144153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1417846 + ... + 6799612.

Almost surely, 222112222144143 is an apocalyptic number.

22112222144143 is a deficient number, since it is larger than the sum of its proper divisors (10918334233).

22112222144143 is an frugal number, since it uses more digits than its factorization.

22112222144143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385821 (or 5383794 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

Adding to 22112222144143 its reverse (34144122221122), we get a palindrome (56256344365265).

The spelling of 22112222144143 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred forty-four thousand, one hundred forty-three".

Divisors: 1 2027 4108729 5381767 10908841709 22112222144143