4720229 has 2 divisors, whose sum is σ = 4720230. Its totient is φ = 4720228.

The previous prime is 4720223. The next prime is 4720231. The reversal of 4720229 is 9220274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3157729 + 1562500 = 1777^2 + 1250^2 .

It is a cyclic number.

It is not a de Polignac number, because 4720229 - 2⁸ = 4719973 is a prime.

Together with 4720231, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4720198 and 4720207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4720223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360114 + 2360115.

It is an arithmetic number, because the mean of its divisors is an integer number (2360115).

Almost surely, 2^4720229 is an apocalyptic number.

It is an amenable number.

4720229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4720229 is an equidigital number, since it uses as much as digits as its factorization.

4720229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4720229 is about 2172.6088004977. The cubic root of 4720229 is about 167.7468432978.

The spelling of 4720229 in words is "four million, seven hundred twenty thousand, two hundred twenty-nine".