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2225502001 = 3316723571
BaseRepresentation
bin1000010010100110…
…0111011100110001
312202002200012211001
42010221213130301
514024212031001
61004500122001
7106102312012
oct20451473461
95662605731
102225502001
11a42268658
12521396301
132960c01b8
141717d9009
15d05a8001
hex84a67731

2225502001 has 4 divisors (see below), whose sum is σ = 2232225904. Its totient is φ = 2218778100.

The previous prime is 2225501989. The next prime is 2225502031. The reversal of 2225502001 is 1002055222.

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 2225502001 - 29 = 2225501489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2225502001.

It is not an unprimeable number, because it can be changed into a prime (2225502031) 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, 3361455 + ... + 3362116.

It is an arithmetic number, because the mean of its divisors is an integer number (558056476).

Almost surely, 22225502001 is an apocalyptic number.

It is an amenable number.

2225502001 is a deficient number, since it is larger than the sum of its proper divisors (6723903).

2225502001 is an equidigital number, since it uses as much as digits as its factorization.

2225502001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723902.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2225502001 is about 47175.2265601343. The cubic root of 2225502001 is about 1305.5975597985.

Adding to 2225502001 its reverse (1002055222), we get a palindrome (3227557223).

The spelling of 2225502001 in words is "two billion, two hundred twenty-five million, five hundred two thousand, one".

Divisors: 1 331 6723571 2225502001