670224397 has 2 divisors, whose sum is σ = 670224398. Its totient is φ = 670224396.

The previous prime is 670224391. The next prime is 670224407. The reversal of 670224397 is 793422076.

670224397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 658486921 + 11737476 = 25661^2 + 3426^2 .

It is a cyclic number.

It is not a de Polignac number, because 670224397 - 2¹¹ = 670222349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670224391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335112198 + 335112199.

It is an arithmetic number, because the mean of its divisors is an integer number (335112199).

Almost surely, 2^670224397 is an apocalyptic number.

It is an amenable number.

670224397 is a deficient number, since it is larger than the sum of its proper divisors (1).

670224397 is an equidigital number, since it uses as much as digits as its factorization.

670224397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 670224397 is about 25888.6924544288. The cubic root of 670224397 is about 875.1316904377.

The spelling of 670224397 in words is "six hundred seventy million, two hundred twenty-four thousand, three hundred ninety-seven".