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1214221223 is a prime number
BaseRepresentation
bin100100001011111…
…1000101110100111
310010121202211101102
41020113320232213
54441320034343
6320252550315
742042465365
oct11027705647
93117684342
101214221223
1157343a416
1229a78239b
131647334c7
14b7392635
15718e93b8
hex485f8ba7

1214221223 has 2 divisors, whose sum is σ = 1214221224. Its totient is φ = 1214221222.

The previous prime is 1214221199. The next prime is 1214221241. The reversal of 1214221223 is 3221224121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214221223 - 26 = 1214221159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214221195 and 1214221204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214221823) 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 as a sum of consecutive naturals, namely, 607110611 + 607110612.

It is an arithmetic number, because the mean of its divisors is an integer number (607110612).

Almost surely, 21214221223 is an apocalyptic number.

1214221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214221223 is an equidigital number, since it uses as much as digits as its factorization.

1214221223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 1214221223 is about 34845.6772498398. The cubic root of 1214221223 is about 1066.8399568827.

Adding to 1214221223 its reverse (3221224121), we get a palindrome (4435445344).

The spelling of 1214221223 in words is "one billion, two hundred fourteen million, two hundred twenty-one thousand, two hundred twenty-three".