7672229 has 2 divisors, whose sum is σ = 7672230. Its totient is φ = 7672228.

The previous prime is 7672201. The next prime is 7672241. The reversal of 7672229 is 9222767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6880129 + 792100 = 2623^2 + 890^2 .

It is an emirp because it is prime and its reverse (9222767) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7672229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7672429) 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 as a sum of consecutive naturals, namely, 3836114 + 3836115.

It is an arithmetic number, because the mean of its divisors is an integer number (3836115).

Almost surely, 2^7672229 is an apocalyptic number.

It is an amenable number.

7672229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7672229 is an equidigital number, since it uses as much as digits as its factorization.

7672229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 7672229 is about 2769.8788782183. The cubic root of 7672229 is about 197.2303985795.

The spelling of 7672229 in words is "seven million, six hundred seventy-two thousand, two hundred twenty-nine".