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622301231 is a prime number
BaseRepresentation
bin100101000101111…
…001000000101111
31121100222011210202
4211011321000233
52233302114411
6141430024115
721264321206
oct4505710057
91540864722
10622301231
1129a300142
121544a803b
139bc065a6
145c91023d
153997583b
hex2517902f

622301231 has 2 divisors, whose sum is σ = 622301232. Its totient is φ = 622301230.

The previous prime is 622301213. The next prime is 622301257. The reversal of 622301231 is 132103226.

It is a happy number.

Together with previous prime (622301213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622301231 - 210 = 622300207 is a prime.

It is a super-2 number, since 2×6223012312 = 774517644208230722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622301131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311150615 + 311150616.

It is an arithmetic number, because the mean of its divisors is an integer number (311150616).

Almost surely, 2622301231 is an apocalyptic number.

622301231 is a deficient number, since it is larger than the sum of its proper divisors (1).

622301231 is an equidigital number, since it uses as much as digits as its factorization.

622301231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 622301231 is about 24945.9662270276. The cubic root of 622301231 is about 853.7555764366.

Adding to 622301231 its reverse (132103226), we get a palindrome (754404457).

The spelling of 622301231 in words is "six hundred twenty-two million, three hundred one thousand, two hundred thirty-one".