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1422797 is a prime number
BaseRepresentation
bin101011011010111001101
32200021201012
411123113031
5331012142
650255005
715044045
oct5332715
92607635
101422797
11891a72
12587465
133aa7bc
14290725
151d1882
hex15b5cd

1422797 has 2 divisors, whose sum is σ = 1422798. Its totient is φ = 1422796.

The previous prime is 1422763. The next prime is 1422821. The reversal of 1422797 is 7972241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1378276 + 44521 = 1174^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422797 - 28 = 1422541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422727) 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, 711398 + 711399.

It is an arithmetic number, because the mean of its divisors is an integer number (711399).

21422797 is an apocalyptic number.

It is an amenable number.

1422797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422797 is an equidigital number, since it uses as much as digits as its factorization.

1422797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 32.

The square root of 1422797 is about 1192.8105465664. The cubic root of 1422797 is about 112.4728362400.

The spelling of 1422797 in words is "one million, four hundred twenty-two thousand, seven hundred ninety-seven".