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2228565001 = 13295911313
BaseRepresentation
bin1000010011010101…
…0011010000001001
312202022102211110111
42010311103100021
514031003040001
61005045514321
7106140330025
oct20465232011
95668384414
102228565001
11a43a6a963
125224129a1
13296923420
14171d95385
15d09b0851
hex84d53409

2228565001 has 8 divisors (see below), whose sum is σ = 2482751880. Its totient is φ = 1986200832.

The previous prime is 2228564941. The next prime is 2228565011. The reversal of 2228565001 is 1005658222.

It can be written as a sum of positive squares in 4 ways, for example, as 608904976 + 1619660025 = 24676^2 + 40245^2 .

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 2228565001 - 27 = 2228564873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228565011) 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, 2955280 + ... + 2956033.

It is an arithmetic number, because the mean of its divisors is an integer number (310343985).

Almost surely, 22228565001 is an apocalyptic number.

It is an amenable number.

2228565001 is a deficient number, since it is larger than the sum of its proper divisors (254186879).

2228565001 is a wasteful number, since it uses less digits than its factorization.

2228565001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911355.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 2228565001 is about 47207.6794706116. The cubic root of 2228565001 is about 1306.1962579906.

The spelling of 2228565001 in words is "two billion, two hundred twenty-eight million, five hundred sixty-five thousand, one".

Divisors: 1 13 29 377 5911313 76847069 171428077 2228565001