Search a number
-
+
1022240743 is a prime number
BaseRepresentation
bin111100111011100…
…010011111100111
32122020112012200021
4330323202133213
54043143200433
6245234100011
734221621466
oct7473423747
92566465607
101022240743
11485034667
1224641a607
13133a264a4
1499a9a9dd
155eb2622d
hex3cee27e7

1022240743 has 2 divisors, whose sum is σ = 1022240744. Its totient is φ = 1022240742.

The previous prime is 1022240693. The next prime is 1022240767. The reversal of 1022240743 is 3470422201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3470422201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022240743 - 29 = 1022240231 is a prime.

It is a super-2 number, since 2×10222407432 = 2089952273298384098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022240143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511120371 + 511120372.

It is an arithmetic number, because the mean of its divisors is an integer number (511120372).

Almost surely, 21022240743 is an apocalyptic number.

1022240743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022240743 is an equidigital number, since it uses as much as digits as its factorization.

1022240743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1022240743 is about 31972.4997927907. The cubic root of 1022240743 is about 1007.3592890077.

Adding to 1022240743 its reverse (3470422201), we get a palindrome (4492662944).

The spelling of 1022240743 in words is "one billion, twenty-two million, two hundred forty thousand, seven hundred forty-three".