Search a number
-
+
222102130 = 2522210213
BaseRepresentation
bin11010011110100…
…00001001110010
3120110220221211211
431033100021302
5423324232010
634012230334
75334560035
oct1517201162
9513827754
10222102130
11104409688
126246b3aa
13370254a3
14216d701c
151477308a
hexd3d0272

222102130 has 8 divisors (see below), whose sum is σ = 399783852. Its totient is φ = 88840848.

The previous prime is 222102121. The next prime is 222102149. The reversal of 222102130 is 31201222.

It can be written as a sum of positive squares in 2 ways, for example, as 209120521 + 12981609 = 14461^2 + 3603^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 222102130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11105097 + ... + 11105116.

Almost surely, 2222102130 is an apocalyptic number.

222102130 is a deficient number, since it is larger than the sum of its proper divisors (177681722).

222102130 is a wasteful number, since it uses less digits than its factorization.

222102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22210220.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 222102130 is about 14903.0912900646. The cubic root of 222102130 is about 605.5977335914.

Adding to 222102130 its reverse (31201222), we get a palindrome (253303352).

The spelling of 222102130 in words is "two hundred twenty-two million, one hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 22210213 44420426 111051065 222102130