39223297 has 2 divisors, whose sum is σ = 39223298. Its totient is φ = 39223296.

The previous prime is 39223273. The next prime is 39223313. The reversal of 39223297 is 79232293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 16982641 = 4716^2 + 4121^2 .

It is a cyclic number.

It is not a de Polignac number, because 39223297 - 2¹¹ = 39221249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39223397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19611648 + 19611649.

It is an arithmetic number, because the mean of its divisors is an integer number (19611649).

It is a Proth number, since it is equal to 1197 ⋅ 2¹⁵ + 1 and 1197 < 2¹⁵.

Almost surely, 2^39223297 is an apocalyptic number.

It is an amenable number.

39223297 is a deficient number, since it is larger than the sum of its proper divisors (1).

39223297 is an equidigital number, since it uses as much as digits as its factorization.

39223297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 39223297 is about 6262.8505490711. The cubic root of 39223297 is about 339.7671329326.

The spelling of 39223297 in words is "thirty-nine million, two hundred twenty-three thousand, two hundred ninety-seven".