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7226369 is a prime number
BaseRepresentation
bin11011100100010000000001
3111121010201022
4123210100001
53322220434
6414515225
7115265063
oct33442001
914533638
107226369
114096307
122505b15
131660277
14d61733
1597b22e
hex6e4401

7226369 has 2 divisors, whose sum is σ = 7226370. Its totient is φ = 7226368.

The previous prime is 7226363. The next prime is 7226371. The reversal of 7226369 is 9636227.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 6400 = 2687^2 + 80^2 .

It is an emirp because it is prime and its reverse (9636227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7226369 is a prime.

It is a super-2 number, since 2×72263692 = 104440817848322, which contains 22 as substring.

Together with 7226371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7226363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3613184 + 3613185.

It is an arithmetic number, because the mean of its divisors is an integer number (3613185).

Almost surely, 27226369 is an apocalyptic number.

It is an amenable number.

7226369 is a deficient number, since it is larger than the sum of its proper divisors (1).

7226369 is an equidigital number, since it uses as much as digits as its factorization.

7226369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 7226369 is about 2688.1906554409. The cubic root of 7226369 is about 193.3333211124. Note that the first 4 decimals are identical.

The spelling of 7226369 in words is "seven million, two hundred twenty-six thousand, three hundred sixty-nine".