Search a number
-
+
22881380479 is a prime number
BaseRepresentation
bin10101010011110101…
…100010100001111111
32012001122100120012021
4111103311202201333
5333330113133404
614302255221011
71440010345036
oct252365424177
965048316167
1022881380479
119781a40901
124526b17767
1322086296b9
141170c5171d
158ddbcd454
hex553d6287f

22881380479 has 2 divisors, whose sum is σ = 22881380480. Its totient is φ = 22881380478.

The previous prime is 22881380377. The next prime is 22881380521. The reversal of 22881380479 is 97408318822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22881380479 - 213 = 22881372287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22881380579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11440690239 + 11440690240.

It is an arithmetic number, because the mean of its divisors is an integer number (11440690240).

Almost surely, 222881380479 is an apocalyptic number.

22881380479 is a deficient number, since it is larger than the sum of its proper divisors (1).

22881380479 is an equidigital number, since it uses as much as digits as its factorization.

22881380479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 22881380479 in words is "twenty-two billion, eight hundred eighty-one million, three hundred eighty thousand, four hundred seventy-nine".