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1234222229 is a prime number
BaseRepresentation
bin100100110010000…
…1011110010010101
310012000101222121102
41021210023302111
510011430102404
6322245355445
742404500352
oct11144136225
93160358542
101234222229
11583760479
122a5408b85
13168917216
14b9cbb629
157354a71e
hex4990bc95

1234222229 has 2 divisors, whose sum is σ = 1234222230. Its totient is φ = 1234222228.

The previous prime is 1234222153. The next prime is 1234222291. The reversal of 1234222229 is 9222224321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1198198225 + 36024004 = 34615^2 + 6002^2 .

It is an emirp because it is prime and its reverse (9222224321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1234222229 - 212 = 1234218133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234272229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617111114 + 617111115.

It is an arithmetic number, because the mean of its divisors is an integer number (617111115).

Almost surely, 21234222229 is an apocalyptic number.

It is an amenable number.

1234222229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234222229 is an equidigital number, since it uses as much as digits as its factorization.

1234222229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 1234222229 is about 35131.4990998107. The cubic root of 1234222229 is about 1072.6658506872.

The spelling of 1234222229 in words is "one billion, two hundred thirty-four million, two hundred twenty-two thousand, two hundred twenty-nine".