Search a number
-
+
22520230441 = 99012274541
BaseRepresentation
bin10100111110010011…
…110111001000101001
32011010110210020110221
4110332103313020221
5332110134333231
614202354410041
71425033541342
oct247623671051
964113706427
1022520230441
1196070a04a5
124445b90921
13217b86b357
141138cc10c9
158bc140d11
hex53e4f7229

22520230441 has 4 divisors (see below), whose sum is σ = 22522514884. Its totient is φ = 22517946000.

The previous prime is 22520230409. The next prime is 22520230487. The reversal of 22520230441 is 14403202522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9936102400 + 12584128041 = 99680^2 + 112179^2 .

It is a cyclic number.

It is not a de Polignac number, because 22520230441 - 25 = 22520230409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22520230541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127370 + ... + 1147171.

It is an arithmetic number, because the mean of its divisors is an integer number (5630628721).

Almost surely, 222520230441 is an apocalyptic number.

It is an amenable number.

22520230441 is a deficient number, since it is larger than the sum of its proper divisors (2284443).

22520230441 is an equidigital number, since it uses as much as digits as its factorization.

22520230441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284442.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22520230441 its reverse (14403202522), we get a palindrome (36923432963).

The spelling of 22520230441 in words is "twenty-two billion, five hundred twenty million, two hundred thirty thousand, four hundred forty-one".

Divisors: 1 9901 2274541 22520230441