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1422043169 is a prime number
BaseRepresentation
bin101010011000010…
…1010100000100001
310200002211021111112
41110300222200201
510403020340134
6353035153105
750145111311
oct12460524041
93602737445
101422043169
1166a785098
123382a5795
131987c8b81
14d6c0d441
1584c9b1ce
hex54c2a821

1422043169 has 2 divisors, whose sum is σ = 1422043170. Its totient is φ = 1422043168.

The previous prime is 1422043141. The next prime is 1422043171. The reversal of 1422043169 is 9613402241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1204922944 + 217120225 = 34712^2 + 14735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422043169 - 220 = 1420994593 is a prime.

It is a super-2 number, since 2×14220431692 = 4044413548999125122, which contains 22 as substring.

Together with 1422043171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1422043199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711021584 + 711021585.

It is an arithmetic number, because the mean of its divisors is an integer number (711021585).

Almost surely, 21422043169 is an apocalyptic number.

It is an amenable number.

1422043169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422043169 is an equidigital number, since it uses as much as digits as its factorization.

1422043169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1422043169 is about 37709.9876557922. The cubic root of 1422043169 is about 1124.5296915457.

The spelling of 1422043169 in words is "one billion, four hundred twenty-two million, forty-three thousand, one hundred sixty-nine".