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22420335349 is a prime number
BaseRepresentation
bin10100111000010110…
…110010101011110101
32010212111211001011201
4110320112302223311
5331404101212344
614144425332501
71422411464116
oct247026625365
963774731151
1022420335349
119565770875
124418637131
132163c63529
14112991a20d
158b34ac4d4
hex5385b2af5

22420335349 has 2 divisors, whose sum is σ = 22420335350. Its totient is φ = 22420335348.

The previous prime is 22420335337. The next prime is 22420335359. The reversal of 22420335349 is 94353302422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20913498225 + 1506837124 = 144615^2 + 38818^2 .

It is a cyclic number.

It is not a de Polignac number, because 22420335349 - 27 = 22420335221 is a prime.

It is a super-3 number, since 3×224203353493 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22420335359) 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, 11210167674 + 11210167675.

It is an arithmetic number, because the mean of its divisors is an integer number (11210167675).

Almost surely, 222420335349 is an apocalyptic number.

It is an amenable number.

22420335349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420335349 is an equidigital number, since it uses as much as digits as its factorization.

22420335349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 22420335349 in words is "twenty-two billion, four hundred twenty million, three hundred thirty-five thousand, three hundred forty-nine".