Search a number
-
+
22302230231 = 43797650761
BaseRepresentation
bin10100110001010100…
…010000011011010111
32010120021120200102002
4110301110100123113
5331133332331411
614125010105515
71416445554251
oct246124203327
963507520362
1022302230231
119505033736
1243a4b7b29b
132145650c48
141117d74cd1
158a7e2d33b
hex5315106d7

22302230231 has 8 divisors (see below), whose sum is σ = 22849555344. Its totient is φ = 21756208320.

The previous prime is 22302230213. The next prime is 22302230233. The reversal of 22302230231 is 13203220322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22302230231 - 210 = 22302229207 is a prime.

It is a super-2 number, since 2×223022302312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22302230233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291110 + ... + 359651.

It is an arithmetic number, because the mean of its divisors is an integer number (2856194418).

Almost surely, 222302230231 is an apocalyptic number.

22302230231 is a deficient number, since it is larger than the sum of its proper divisors (547325113).

22302230231 is an equidigital number, since it uses as much as digits as its factorization.

22302230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651601.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22302230231 its reverse (13203220322), we get a palindrome (35505450553).

Subtracting from 22302230231 its reverse (13203220322), we obtain a palindrome (9099009909).

The spelling of 22302230231 in words is "twenty-two billion, three hundred two million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 43 797 34271 650761 27982723 518656517 22302230231