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1322300221 = 11210928101
BaseRepresentation
bin100111011010000…
…1011001100111101
310102011010210220021
41032310023030331
510202002101341
6335113252141
744524236454
oct11664131475
93364123807
101322300221
11619449800
1230aa04051
13180c45388
14c7887b9b
157b1479d1
hex4ed0b33d

1322300221 has 6 divisors (see below), whose sum is σ = 1453437566. Its totient is φ = 1202091000.

The previous prime is 1322300179. The next prime is 1322300227. The reversal of 1322300221 is 1220032231.

It can be written as a sum of positive squares in only one way, i.e., 1277276121 + 45024100 = 35739^2 + 6710^2 .

It is not a de Polignac number, because 1322300221 - 27 = 1322300093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322300195 and 1322300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322300227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5463930 + ... + 5464171.

Almost surely, 21322300221 is an apocalyptic number.

1322300221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1322300221 is a deficient number, since it is larger than the sum of its proper divisors (131137345).

1322300221 is a wasteful number, since it uses less digits than its factorization.

1322300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10928123 (or 10928112 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1322300221 is about 36363.4462200711. The cubic root of 1322300221 is about 1097.5981259393.

Adding to 1322300221 its reverse (1220032231), we get a palindrome (2542332452).

The spelling of 1322300221 in words is "one billion, three hundred twenty-two million, three hundred thousand, two hundred twenty-one".

Divisors: 1 11 121 10928101 120209111 1322300221