Search a number
-
+
120622225 = 5217283817
BaseRepresentation
bin1110011000010…
…00110010010001
322101222020120211
413030020302101
5221334402400
615545204121
72663162203
oct714106221
9271866524
10120622225
11620a7299
1234490641
131bcb41c9
141203c773
15a8c9dba
hex7308c91

120622225 has 12 divisors (see below), whose sum is σ = 158370444. Its totient is φ = 90821120.

The previous prime is 120622217. The next prime is 120622237. The reversal of 120622225 is 522226021.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 14470416 + 106151809 = 3804^2 + 10303^2 .

It is not a de Polignac number, because 120622225 - 23 = 120622217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120622196 and 120622205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141484 + ... + 142333.

It is an arithmetic number, because the mean of its divisors is an integer number (13197537).

Almost surely, 2120622225 is an apocalyptic number.

It is an amenable number.

120622225 is a deficient number, since it is larger than the sum of its proper divisors (37748219).

120622225 is a wasteful number, since it uses less digits than its factorization.

120622225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283844 (or 283839 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 120622225 is about 10982.8149852394. The cubic root of 120622225 is about 494.0934671555.

Adding to 120622225 its reverse (522226021), we get a palindrome (642848246).

The spelling of 120622225 in words is "one hundred twenty million, six hundred twenty-two thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 425 283817 1419085 4824889 7095425 24124445 120622225