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1214262229 is a prime number
BaseRepresentation
bin100100001100000…
…0010101111010101
310010121211220122011
41020120002233111
54441322342404
6320253504221
742043026055
oct11030025725
93117756564
101214262229
11573468204
1229a7a2071
1316474907b
14b73a3565
1571906604
hex48602bd5

1214262229 has 2 divisors, whose sum is σ = 1214262230. Its totient is φ = 1214262228.

The previous prime is 1214262227. The next prime is 1214262319. The reversal of 1214262229 is 9222624121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1185080625 + 29181604 = 34425^2 + 5402^2 .

It is an emirp because it is prime and its reverse (9222624121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214262229 - 21 = 1214262227 is a prime.

Together with 1214262227, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1214262229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214262223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607131114 + 607131115.

It is an arithmetic number, because the mean of its divisors is an integer number (607131115).

Almost surely, 21214262229 is an apocalyptic number.

It is an amenable number.

1214262229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214262229 is an equidigital number, since it uses as much as digits as its factorization.

1214262229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 1214262229 is about 34846.2656392331. The cubic root of 1214262229 is about 1066.8519663216.

The spelling of 1214262229 in words is "one billion, two hundred fourteen million, two hundred sixty-two thousand, two hundred twenty-nine".