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8228497 is a prime number
BaseRepresentation
bin11111011000111010010001
3120111001101011
4133120322101
54101302442
6452210521
7126640534
oct37307221
916431334
108228497
114710212
122909a41
131921444
141142a1b
15ac8117
hex7d8e91

8228497 has 2 divisors, whose sum is σ = 8228498. Its totient is φ = 8228496.

The previous prime is 8228461. The next prime is 8228513. The reversal of 8228497 is 7948228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7817616 + 410881 = 2796^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 8228497 - 215 = 8195729 is a prime.

It is not a weakly prime, because it can be changed into another prime (8228417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4114248 + 4114249.

It is an arithmetic number, because the mean of its divisors is an integer number (4114249).

Almost surely, 28228497 is an apocalyptic number.

It is an amenable number.

8228497 is a deficient number, since it is larger than the sum of its proper divisors (1).

8228497 is an equidigital number, since it uses as much as digits as its factorization.

8228497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 8228497 is about 2868.5356891627. The cubic root of 8228497 is about 201.8862951886.

The spelling of 8228497 in words is "eight million, two hundred twenty-eight thousand, four hundred ninety-seven".