Search a number
-
+
2190222922 = 21095111461
BaseRepresentation
bin1000001010001100…
…0010011001001010
312122122021212000111
42002203002121022
513441144113142
61001200024534
7105163405366
oct20243023112
95578255014
102190222922
11a24361998
1251160214a
1328b9ba3c4
1416ac542a6
15cc439e17
hex828c264a

2190222922 has 4 divisors (see below), whose sum is σ = 3285334386. Its totient is φ = 1095111460.

The previous prime is 2190222919. The next prime is 2190222949. The reversal of 2190222922 is 2292220912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1970560881 + 219662041 = 44391^2 + 14821^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 547555729 + ... + 547555732.

Almost surely, 22190222922 is an apocalyptic number.

2190222922 is a deficient number, since it is larger than the sum of its proper divisors (1095111464).

2190222922 is a wasteful number, since it uses less digits than its factorization.

2190222922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095111463.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2190222922 is about 46799.8175423794. The cubic root of 2190222922 is about 1298.6619214249.

The spelling of 2190222922 in words is "two billion, one hundred ninety million, two hundred twenty-two thousand, nine hundred twenty-two".

Divisors: 1 2 1095111461 2190222922