Search a number
-
+
1224224201 = 6720179059
BaseRepresentation
bin100100011111000…
…0010110111001001
310011022121000220002
41020332002313021
510001400133301
6321251212345
742223506524
oct11076026711
93138530802
101224224201
11579051842
122a1ba70b5
13166826525
14b8837bbb
157272316b
hex48f82dc9

1224224201 has 8 divisors (see below), whose sum is σ = 1243249440. Its totient is φ = 1205221248.

The previous prime is 1224224171. The next prime is 1224224231. The reversal of 1224224201 is 1024224221.

It is an interprime number because it is at equal distance from previous prime (1224224171) and next prime (1224224231).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1224224201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224224231) 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, 130610 + ... + 139668.

It is an arithmetic number, because the mean of its divisors is an integer number (155406180).

Almost surely, 21224224201 is an apocalyptic number.

It is an amenable number.

1224224201 is a deficient number, since it is larger than the sum of its proper divisors (19025239).

1224224201 is an equidigital number, since it uses as much as digits as its factorization.

1224224201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1224224201 is about 34988.9154018812. The cubic root of 1224224201 is about 1069.7615566158.

Adding to 1224224201 its sum of digits (20), we get a palindrome (1224224221).

Adding to 1224224201 its reverse (1024224221), we get a palindrome (2248448422).

The spelling of 1224224201 in words is "one billion, two hundred twenty-four million, two hundred twenty-four thousand, two hundred one".

Divisors: 1 67 2017 9059 135139 606953 18272003 1224224201