Search a number
-
+
622205741 is a prime number
BaseRepresentation
bin100101000101100…
…001101100101101
31121100210022211002
4211011201230231
52233241040431
6141424010045
721263442623
oct4505415455
91540708732
10622205741
1129a245423
12154460925
139bba1ca1
145c8c7513
15399573cb
hex25161b2d

622205741 has 2 divisors, whose sum is σ = 622205742. Its totient is φ = 622205740.

The previous prime is 622205713. The next prime is 622205747. The reversal of 622205741 is 147502226.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401802025 + 220403716 = 20045^2 + 14846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-622205741 is a prime.

It is equal to p32422367 and since 622205741 and 32422367 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622205747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311102870 + 311102871.

It is an arithmetic number, because the mean of its divisors is an integer number (311102871).

Almost surely, 2622205741 is an apocalyptic number.

It is an amenable number.

622205741 is a deficient number, since it is larger than the sum of its proper divisors (1).

622205741 is an equidigital number, since it uses as much as digits as its factorization.

622205741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 622205741 is about 24944.0522169113. The cubic root of 622205741 is about 853.7119055764.

Adding to 622205741 its reverse (147502226), we get a palindrome (769707967).

The spelling of 622205741 in words is "six hundred twenty-two million, two hundred five thousand, seven hundred forty-one".