Search a number
-
+
2222023144 = 2311188913367
BaseRepresentation
bin1000010001110001…
…0110000111101000
312201212010110201111
42010130112013220
514022314220034
61004253400104
7106030612405
oct20434260750
95655113644
102222023144
11a40301970
12520199034
132954728c3
141711712ac
15d011c364
hex847161e8

2222023144 has 32 divisors (see below), whose sum is σ = 4547793600. Its totient is φ = 1009400320.

The previous prime is 2222023117. The next prime is 2222023147. The reversal of 2222023144 is 4413202222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2222023147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 159549 + ... + 172915.

It is an arithmetic number, because the mean of its divisors is an integer number (142118550).

Almost surely, 22222023144 is an apocalyptic number.

It is an amenable number.

2222023144 is an abundant number, since it is smaller than the sum of its proper divisors (2325770456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222023144 is a wasteful number, since it uses less digits than its factorization.

2222023144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15273 (or 15269 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2222023144 is about 47138.3404883965. The cubic root of 2222023144 is about 1304.9169109814.

Adding to 2222023144 its reverse (4413202222), we get a palindrome (6635225366).

The spelling of 2222023144 in words is "two billion, two hundred twenty-two million, twenty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 1889 3778 7556 13367 15112 20779 26734 41558 53468 83116 106936 147037 166232 294074 588148 1176296 25250263 50500526 101001052 202002104 277752893 555505786 1111011572 2222023144