Search a number
-
+
1422403291 is a prime number
BaseRepresentation
bin101010011001000…
…0010011011011011
310200010111120111101
41110302002123123
510403113401131
6353051012231
750151141241
oct12462023333
93603446441
101422403291
1166aa00711
1233843a077
131988c3a6a
14d6ca4791
1584d1cc61
hex54c826db

1422403291 has 2 divisors, whose sum is σ = 1422403292. Its totient is φ = 1422403290.

The previous prime is 1422403271. The next prime is 1422403331. The reversal of 1422403291 is 1923042241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1422403291 - 25 = 1422403259 is a prime.

It is a super-2 number, since 2×14224032912 = 4046462244495261362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1422403271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711201645 + 711201646.

It is an arithmetic number, because the mean of its divisors is an integer number (711201646).

Almost surely, 21422403291 is an apocalyptic number.

1422403291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422403291 is an equidigital number, since it uses as much as digits as its factorization.

1422403291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1422403291 is about 37714.7622423899. The cubic root of 1422403291 is about 1124.6246098319.

The spelling of 1422403291 in words is "one billion, four hundred twenty-two million, four hundred three thousand, two hundred ninety-one".