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622242833 is a prime number
BaseRepresentation
bin100101000101101…
…010110000010001
31121100212012200212
4211011222300101
52233243232313
6141424453505
721263656022
oct4505526021
91540765625
10622242833
1129a270283
1215447a295
139bbb5b34
145c8d6c49
15399633a8
hex2516ac11

622242833 has 2 divisors, whose sum is σ = 622242834. Its totient is φ = 622242832.

The previous prime is 622242811. The next prime is 622242871. The reversal of 622242833 is 338242226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322849024 + 299393809 = 17968^2 + 17303^2 .

It is a cyclic number.

It is not a de Polignac number, because 622242833 - 212 = 622238737 is a prime.

It is a super-2 number, since 2×6222428332 = 774372286439731778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 622242833.

It is not a weakly prime, because it can be changed into another prime (622242233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311121416 + 311121417.

It is an arithmetic number, because the mean of its divisors is an integer number (311121417).

Almost surely, 2622242833 is an apocalyptic number.

It is an amenable number.

622242833 is a deficient number, since it is larger than the sum of its proper divisors (1).

622242833 is an equidigital number, since it uses as much as digits as its factorization.

622242833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 32.

The square root of 622242833 is about 24944.7957097267. The cubic root of 622242833 is about 853.7288695540.

The spelling of 622242833 in words is "six hundred twenty-two million, two hundred forty-two thousand, eight hundred thirty-three".