Search a number
-
+
1422211499 is a prime number
BaseRepresentation
bin101010011000101…
…0011100110101011
310200010010211101222
41110301103212223
510403041231444
6353042532255
750146412132
oct12461234653
93603124358
101422211499
1166a88a605
1233836708b
13198857687
14d6c54919
1584cd0eee
hex54c539ab

1422211499 has 2 divisors, whose sum is σ = 1422211500. Its totient is φ = 1422211498.

The previous prime is 1422211489. The next prime is 1422211621. The reversal of 1422211499 is 9941122241.

It is a weak prime.

It is an emirp because it is prime and its reverse (9941122241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1422211499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422211429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711105749 + 711105750.

It is an arithmetic number, because the mean of its divisors is an integer number (711105750).

Almost surely, 21422211499 is an apocalyptic number.

1422211499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422211499 is an equidigital number, since it uses as much as digits as its factorization.

1422211499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 1422211499 is about 37712.2194918305. The cubic root of 1422211499 is about 1124.5740607132.

The spelling of 1422211499 in words is "one billion, four hundred twenty-two million, two hundred eleven thousand, four hundred ninety-nine".