7200229 has 2 divisors, whose sum is σ = 7200230. Its totient is φ = 7200228.

The previous prime is 7200227. The next prime is 7200233. The reversal of 7200229 is 9220027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6812100 + 388129 = 2610^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 7200229 - 2¹ = 7200227 is a prime.

Together with 7200227, it forms a pair of twin primes.

7200229 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7200223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600114 + 3600115.

It is an arithmetic number, because the mean of its divisors is an integer number (3600115).

Almost surely, 2^7200229 is an apocalyptic number.

It is an amenable number.

7200229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7200229 is an equidigital number, since it uses as much as digits as its factorization.

7200229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 7200229 is about 2683.3242442910. The cubic root of 7200229 is about 193.0999240945.

The spelling of 7200229 in words is "seven million, two hundred thousand, two hundred twenty-nine".