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22200120431 is a prime number
BaseRepresentation
bin10100101011001110…
…101111010001101111
32010022011102222002122
4110223032233101233
5330431212323211
614110521343155
71414065624116
oct245316572157
963264388078
1022200120431
119462431075
124376937abb
13212a44c048
141108594c7d
1589dead6db
hex52b3af46f

22200120431 has 2 divisors, whose sum is σ = 22200120432. Its totient is φ = 22200120430.

The previous prime is 22200120413. The next prime is 22200120433. The reversal of 22200120431 is 13402100222.

Together with previous prime (22200120413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22200120431 - 218 = 22199858287 is a prime.

It is a super-2 number, since 2×222001204312 (a number of 21 digits) contains 22 as substring.

Together with 22200120433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200120433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100060215 + 11100060216.

It is an arithmetic number, because the mean of its divisors is an integer number (11100060216).

Almost surely, 222200120431 is an apocalyptic number.

22200120431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200120431 is an equidigital number, since it uses as much as digits as its factorization.

22200120431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22200120431 its reverse (13402100222), we get a palindrome (35602220653).

The spelling of 22200120431 in words is "twenty-two billion, two hundred million, one hundred twenty thousand, four hundred thirty-one".