Search a number
-
+
2221130501 = 31229331247
BaseRepresentation
bin1000010001100011…
…1100001100000101
312201210110010020122
42010120330030011
514022102134001
61004222311325
7106020204062
oct20430741405
95653403218
102221130501
11a3a852247
1251ba28545
1329521c505
14170dbbc69
15ceee2b1b
hex8463c305

2221130501 has 8 divisors (see below), whose sum is σ = 2293853184. Its totient is φ = 2148474960.

The previous prime is 2221130497. The next prime is 2221130531. The reversal of 2221130501 is 1050311222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2221130501 - 22 = 2221130497 is a prime.

It is a super-2 number, since 2×22211305012 = 9866841404945022002, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221130501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221130531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55460 + ... + 86706.

It is an arithmetic number, because the mean of its divisors is an integer number (286731648).

Almost surely, 22221130501 is an apocalyptic number.

It is an amenable number.

2221130501 is a deficient number, since it is larger than the sum of its proper divisors (72722683).

2221130501 is a wasteful number, since it uses less digits than its factorization.

2221130501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33571.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2221130501 is about 47128.8712043902. The cubic root of 2221130501 is about 1304.7421481811.

Adding to 2221130501 its reverse (1050311222), we get a palindrome (3271441723).

The spelling of 2221130501 in words is "two billion, two hundred twenty-one million, one hundred thirty thousand, five hundred one".

Divisors: 1 31 2293 31247 71083 968657 71649371 2221130501