4722229 has 2 divisors, whose sum is σ = 4722230. Its totient is φ = 4722228.

The previous prime is 4722197. The next prime is 4722233. The reversal of 4722229 is 9222274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 762129 = 1990^2 + 873^2 .

It is a cyclic number.

It is not a de Polignac number, because 4722229 - 2⁵ = 4722197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4722197 and 4722206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4722239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361114 + 2361115.

It is an arithmetic number, because the mean of its divisors is an integer number (2361115).

Almost surely, 2^4722229 is an apocalyptic number.

It is an amenable number.

4722229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4722229 is an equidigital number, since it uses as much as digits as its factorization.

4722229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 4722229 is about 2173.0690278958. The cubic root of 4722229 is about 167.7705318600.

It can be divided in two parts, 472 and 2229, that added together give a triangular number (2701 = T₇₃).

The spelling of 4722229 in words is "four million, seven hundred twenty-two thousand, two hundred twenty-nine".