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7272227 is a prime number
BaseRepresentation
bin11011101111011100100011
3111200110121202
4123233130203
53330202402
6415511415
7115545554
oct33573443
914613552
107272227
114117806
12252856b
1316780c1
14d7432b
15989b02
hex6ef723

7272227 has 2 divisors, whose sum is σ = 7272228. Its totient is φ = 7272226.

The previous prime is 7272217. The next prime is 7272229. The reversal of 7272227 is 7222727.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7272227 is a prime.

Together with 7272229, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 72 + 216 + 72 + 217 + 218 + 220 + 78 .

It is a self number, because there is not a number n which added to its sum of digits gives 7272227.

It is not a weakly prime, because it can be changed into another prime (7272229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3636113 + 3636114.

It is an arithmetic number, because the mean of its divisors is an integer number (3636114).

Almost surely, 27272227 is an apocalyptic number.

7272227 is a deficient number, since it is larger than the sum of its proper divisors (1).

7272227 is an equidigital number, since it uses as much as digits as its factorization.

7272227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5488, while the sum is 29.

The square root of 7272227 is about 2696.7066952118. The cubic root of 7272227 is about 193.7414186973.

The spelling of 7272227 in words is "seven million, two hundred seventy-two thousand, two hundred twenty-seven".