4972229 has 2 divisors, whose sum is σ = 4972230. Its totient is φ = 4972228.

The previous prime is 4972223. The next prime is 4972267. The reversal of 4972229 is 9222794.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3508129 + 1464100 = 1873^2 + 1210^2 .

It is a cyclic number.

It is not a de Polignac number, because 4972229 - 2¹² = 4968133 is a prime.

It is a super-2 number, since 2×4972229² = 49446122456882, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 9⁴ + 7⁵ + 2¹¹ + 2¹⁵ + 2¹⁷ + 9⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4972223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2486114 + 2486115.

It is an arithmetic number, because the mean of its divisors is an integer number (2486115).

Almost surely, 2^4972229 is an apocalyptic number.

It is an amenable number.

4972229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4972229 is an equidigital number, since it uses as much as digits as its factorization.

4972229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 4972229 is about 2229.8495464941. The cubic root of 4972229 is about 170.6804217802.

The spelling of 4972229 in words is "four million, nine hundred seventy-two thousand, two hundred twenty-nine".