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1422031399 is a prime number
BaseRepresentation
bin101010011000010…
…0111101000100111
310200002210200100121
41110300213220213
510403020001044
6353035022411
750145032065
oct12460475047
93602720317
101422031399
1166a777268
1233829aa07
131987c36c9
14d6c09035
1584c97984
hex54c27a27

1422031399 has 2 divisors, whose sum is σ = 1422031400. Its totient is φ = 1422031398.

The previous prime is 1422031379. The next prime is 1422031417. The reversal of 1422031399 is 9931302241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1422031399 - 29 = 1422030887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422031309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711015699 + 711015700.

It is an arithmetic number, because the mean of its divisors is an integer number (711015700).

Almost surely, 21422031399 is an apocalyptic number.

1422031399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422031399 is an equidigital number, since it uses as much as digits as its factorization.

1422031399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1422031399 is about 37709.8315960175. The cubic root of 1422031399 is about 1124.5265890260.

The spelling of 1422031399 in words is "one billion, four hundred twenty-two million, thirty-one thousand, three hundred ninety-nine".