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220002241 = 1631349707
BaseRepresentation
bin11010001110011…
…11011111000001
3120022222021100011
431013033133001
5422310032431
633455224521
75310662644
oct1507173701
9508867304
10220002241
11103204a38
1261818141
133676b754
142130ba5b
15144aacb1
hexd1cf7c1

220002241 has 4 divisors (see below), whose sum is σ = 221352112. Its totient is φ = 218652372.

The previous prime is 220002203. The next prime is 220002283. The reversal of 220002241 is 142200022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220002241 - 29 = 220001729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220002941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674691 + ... + 675016.

It is an arithmetic number, because the mean of its divisors is an integer number (55338028).

Almost surely, 2220002241 is an apocalyptic number.

It is an amenable number.

220002241 is a deficient number, since it is larger than the sum of its proper divisors (1349871).

220002241 is a wasteful number, since it uses less digits than its factorization.

220002241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349870.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220002241 is about 14832.4725180935. The cubic root of 220002241 is about 603.6831234445.

Adding to 220002241 its reverse (142200022), we get a palindrome (362202263).

The spelling of 220002241 in words is "two hundred twenty million, two thousand, two hundred forty-one".

Divisors: 1 163 1349707 220002241