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22041304231 is a prime number
BaseRepresentation
bin10100100001110000…
…111001110010100111
32002220002121021020011
4110201300321302213
5330120033213411
614043045351051
71410126665122
oct244160716247
962802537204
1022041304231
119390818111
124331708487
13210358436b
1410d14533b9
1589008bc21
hex521c39ca7

22041304231 has 2 divisors, whose sum is σ = 22041304232. Its totient is φ = 22041304230.

The previous prime is 22041304223. The next prime is 22041304247. The reversal of 22041304231 is 13240314022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22041304231 - 23 = 22041304223 is a prime.

It is a super-2 number, since 2×220413042312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22041304931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020652115 + 11020652116.

It is an arithmetic number, because the mean of its divisors is an integer number (11020652116).

Almost surely, 222041304231 is an apocalyptic number.

22041304231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22041304231 is an equidigital number, since it uses as much as digits as its factorization.

22041304231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22041304231 its reverse (13240314022), we get a palindrome (35281618253).

The spelling of 22041304231 in words is "twenty-two billion, forty-one million, three hundred four thousand, two hundred thirty-one".