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2221150241 = 19911161559
BaseRepresentation
bin1000010001100100…
…0001000000100001
312201210111010022202
42010121001000201
514022103301431
61004222542545
7106020315452
oct20431010041
95653433282
102221150241
11a3a866062
1251ba37a55
132952284ab
14170dc5129
15ceee88cb
hex84641021

2221150241 has 4 divisors (see below), whose sum is σ = 2232312000. Its totient is φ = 2209988484.

The previous prime is 2221150213. The next prime is 2221150247. The reversal of 2221150241 is 1420511222.

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 2221150241 - 226 = 2154041377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221150247) 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, 5580581 + ... + 5580978.

It is an arithmetic number, because the mean of its divisors is an integer number (558078000).

Almost surely, 22221150241 is an apocalyptic number.

It is an amenable number.

2221150241 is a deficient number, since it is larger than the sum of its proper divisors (11161759).

2221150241 is a wasteful number, since it uses less digits than its factorization.

2221150241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161758.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2221150241 is about 47129.0806296919. The cubic root of 2221150241 is about 1304.7460134100.

Adding to 2221150241 its reverse (1420511222), we get a palindrome (3641661463).

The spelling of 2221150241 in words is "two billion, two hundred twenty-one million, one hundred fifty thousand, two hundred forty-one".

Divisors: 1 199 11161559 2221150241