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222230042431 = 372162330199
BaseRepresentation
bin1100111011110111110…
…0010101011100111111
3210020121121000211212021
43032331330111130333
512120111342324211
6250031401021011
722025032123225
oct3167574253477
9706547024767
10222230042431
118627a07a0a1
12370a0484767
1317c57a16837
14aa82624b15
155ba9d93771
hex33bdf1573f

222230042431 has 6 divisors (see below), whose sum is σ = 228398591400. Its totient is φ = 216223823736.

The previous prime is 222230042423. The next prime is 222230042449. The reversal of 222230042431 is 134240032222.

It is not a de Polignac number, because 222230042431 - 23 = 222230042423 is a prime.

It is a super-2 number, since 2×2222300424312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222230042396 and 222230042405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222230042471) 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, 81163731 + ... + 81166468.

It is an arithmetic number, because the mean of its divisors is an integer number (38066431900).

Almost surely, 2222230042431 is an apocalyptic number.

222230042431 is a deficient number, since it is larger than the sum of its proper divisors (6168548969).

222230042431 is an equidigital number, since it uses as much as digits as its factorization.

222230042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162330273 (or 162330236 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 222230042431 its reverse (134240032222), we get a palindrome (356470074653).

The spelling of 222230042431 in words is "two hundred twenty-two billion, two hundred thirty million, forty-two thousand, four hundred thirty-one".

Divisors: 1 37 1369 162330199 6006217363 222230042431