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1422768229 is a prime number
BaseRepresentation
bin101010011001101…
…1011100001100101
310200011012010002121
41110303123201211
510403212040404
6353102505541
750154221221
oct12463334145
93604163077
101422768229
1167012a913
123385952b1
131989c0bbc
14d6d5b781
1584d90e54
hex54cdb865

1422768229 has 2 divisors, whose sum is σ = 1422768230. Its totient is φ = 1422768228.

The previous prime is 1422768223. The next prime is 1422768257. The reversal of 1422768229 is 9228672241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910651329 + 512116900 = 30177^2 + 22630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422768229 - 211 = 1422766181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422768223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711384114 + 711384115.

It is an arithmetic number, because the mean of its divisors is an integer number (711384115).

Almost surely, 21422768229 is an apocalyptic number.

It is an amenable number.

1422768229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422768229 is an equidigital number, since it uses as much as digits as its factorization.

1422768229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 1422768229 is about 37719.6000641576. The cubic root of 1422768229 is about 1124.7207811414.

The spelling of 1422768229 in words is "one billion, four hundred twenty-two million, seven hundred sixty-eight thousand, two hundred twenty-nine".