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22010420231 is a prime number
BaseRepresentation
bin10100011111111011…
…000101110000000111
32002210221111012100022
4110133323011300013
5330034131421411
614040023405355
71406303325242
oct243773056007
962727435308
1022010420231
119375343548
1243232b385b
1320ca05cbc7
1410cb2d4259
1588c4daedb
hex51fec5c07

22010420231 has 2 divisors, whose sum is σ = 22010420232. Its totient is φ = 22010420230.

The previous prime is 22010420227. The next prime is 22010420269. The reversal of 22010420231 is 13202401022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22010420231 - 22 = 22010420227 is a prime.

It is a super-2 number, since 2×220104202312 (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 (22010420291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005210115 + 11005210116.

It is an arithmetic number, because the mean of its divisors is an integer number (11005210116).

Almost surely, 222010420231 is an apocalyptic number.

22010420231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010420231 is an equidigital number, since it uses as much as digits as its factorization.

22010420231 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 22010420231 its reverse (13202401022), we get a palindrome (35212821253).

The spelling of 22010420231 in words is "twenty-two billion, ten million, four hundred twenty thousand, two hundred thirty-one".