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225322291 = 3116074523
BaseRepresentation
bin11010110111000…
…10010100110011
3120200222120002001
431123202110303
5430140303131
634205234431
75404131205
oct1533422463
9520876061
10225322291
11106208a77
1263562a17
13378b20cc
1421cd4775
1514bac261
hexd6e2533

225322291 has 8 divisors (see below), whose sum is σ = 232786944. Its totient is φ = 217869960.

The previous prime is 225322271. The next prime is 225322297. The reversal of 225322291 is 192223522.

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 225322291 - 25 = 225322259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225322297) 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, 47556 + ... + 52078.

It is an arithmetic number, because the mean of its divisors is an integer number (29098368).

Almost surely, 2225322291 is an apocalyptic number.

225322291 is a deficient number, since it is larger than the sum of its proper divisors (7464653).

225322291 is a wasteful number, since it uses less digits than its factorization.

225322291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161.

The product of its digits is 4320, while the sum is 28.

The square root of 225322291 is about 15010.7391889940. The cubic root of 225322291 is about 608.5104667804.

The spelling of 225322291 in words is "two hundred twenty-five million, three hundred twenty-two thousand, two hundred ninety-one".

Divisors: 1 31 1607 4523 49817 140213 7268461 225322291