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1404221227 is a prime number
BaseRepresentation
bin101001110110010…
…1011011100101011
310121212021211101121
41103230223130223
510333440034402
6351201200111
746540453303
oct12354533453
93555254347
101404221227
11660712212
12332330037
13194bc8c46
14d46d0603
158342a837
hex53b2b72b

1404221227 has 2 divisors, whose sum is σ = 1404221228. Its totient is φ = 1404221226.

The previous prime is 1404221207. The next prime is 1404221237. The reversal of 1404221227 is 7221224041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1404221227 - 27 = 1404221099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1404221207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702110613 + 702110614.

It is an arithmetic number, because the mean of its divisors is an integer number (702110614).

Almost surely, 21404221227 is an apocalyptic number.

1404221227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404221227 is an equidigital number, since it uses as much as digits as its factorization.

1404221227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1404221227 is about 37472.9399300348. The cubic root of 1404221227 is about 1119.8121567944.

Adding to 1404221227 its reverse (7221224041), we get a palindrome (8625445268).

The spelling of 1404221227 in words is "one billion, four hundred four million, two hundred twenty-one thousand, two hundred twenty-seven".