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2224554221 = 21125741023
BaseRepresentation
bin1000010010011000…
…0000000011101101
312202000220001201002
42010212000003231
514023441213341
61004423530045
7106061253551
oct20446000355
95660801632
102224554221
11a4178056a
12520bb9925
13295b4a996
1417162d861
15d046c29b
hex849800ed

2224554221 has 8 divisors (see below), whose sum is σ = 2243848704. Its totient is φ = 2205342720.

The previous prime is 2224554191. The next prime is 2224554223. The reversal of 2224554221 is 1224554222.

It is a happy number.

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-2224554221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224554223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33716 + ... + 74738.

It is an arithmetic number, because the mean of its divisors is an integer number (280481088).

Almost surely, 22224554221 is an apocalyptic number.

It is an amenable number.

2224554221 is a deficient number, since it is larger than the sum of its proper divisors (19294483).

2224554221 is a wasteful number, since it uses less digits than its factorization.

2224554221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41491.

The product of its digits is 12800, while the sum is 29.

The square root of 2224554221 is about 47165.1801756338. The cubic root of 2224554221 is about 1305.4121941361.

Subtracting from 2224554221 its reverse (1224554222), we obtain a palindrome (999999999).

The spelling of 2224554221 in words is "two billion, two hundred twenty-four million, five hundred fifty-four thousand, two hundred twenty-one".

Divisors: 1 211 257 41023 54227 8655853 10542911 2224554221