Search a number
-
+
22224885161 = 1091553131293
BaseRepresentation
bin10100101100101101…
…001101010110101001
32010100220001010220212
4110230231031112221
5331004032311121
614113204230505
71414516256363
oct245455152651
963326033825
1022224885161
119475406196
12438309b435
13213261012b
14110b99dd33
158a125125b
hex52cb4d5a9

22224885161 has 8 divisors (see below), whose sum is σ = 22443396360. Its totient is φ = 22006639872.

The previous prime is 22224885131. The next prime is 22224885169. The reversal of 22224885161 is 16158842222.

It can be written as a sum of positive squares in 4 ways, for example, as 4815666025 + 17409219136 = 69395^2 + 131944^2 .

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 22224885161 - 214 = 22224868777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22224885169) 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, 103631 + ... + 234923.

It is an arithmetic number, because the mean of its divisors is an integer number (2805424545).

Almost surely, 222224885161 is an apocalyptic number.

It is an amenable number.

22224885161 is a deficient number, since it is larger than the sum of its proper divisors (218511199).

22224885161 is a wasteful number, since it uses less digits than its factorization.

22224885161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132955.

The product of its digits is 122880, while the sum is 41.

The spelling of 22224885161 in words is "twenty-two billion, two hundred twenty-four million, eight hundred eighty-five thousand, one hundred sixty-one".

Divisors: 1 109 1553 131293 169277 14310937 203898029 22224885161