Search a number
-
+
122200166 = 2115554553
BaseRepresentation
bin1110100100010…
…10000001100110
322111221102010002
413102022001212
5222240401131
620043101302
73012453464
oct722120146
9274842102
10122200166
1162a84880
1234b11832
131c4174ba
141232d834
15aadc6cb
hex748a066

122200166 has 8 divisors (see below), whose sum is σ = 199963944. Its totient is φ = 55545520.

The previous prime is 122200157. The next prime is 122200181. The reversal of 122200166 is 661002221.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2777255 + ... + 2777298.

It is an arithmetic number, because the mean of its divisors is an integer number (24995493).

Almost surely, 2122200166 is an apocalyptic number.

122200166 is a deficient number, since it is larger than the sum of its proper divisors (77763778).

122200166 is a wasteful number, since it uses less digits than its factorization.

122200166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554566.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 122200166 is about 11054.4183926609. The cubic root of 122200166 is about 496.2386636498.

Adding to 122200166 its reverse (661002221), we get a palindrome (783202387).

The spelling of 122200166 in words is "one hundred twenty-two million, two hundred thousand, one hundred sixty-six".

Divisors: 1 2 11 22 5554553 11109106 61100083 122200166