672226297 has 4 divisors (see below), whose sum is σ = 673175140. Its totient is φ = 671277456.

The previous prime is 672226271. The next prime is 672226301. The reversal of 672226297 is 792622276.

672226297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253573776 + 418652521 = 15924^2 + 20461^2 .

It is a cyclic number.

It is not a de Polignac number, because 672226297 - 2⁷ = 672226169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672226207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473358 + ... + 474775.

It is an arithmetic number, because the mean of its divisors is an integer number (168293785).

Almost surely, 2^672226297 is an apocalyptic number.

It is an amenable number.

672226297 is a deficient number, since it is larger than the sum of its proper divisors (948843).

672226297 is an equidigital number, since it uses as much as digits as its factorization.

672226297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948842.

The product of its digits is 254016, while the sum is 43.

The square root of 672226297 is about 25927.3272243785. The cubic root of 672226297 is about 876.0021375823.

The spelling of 672226297 in words is "six hundred seventy-two million, two hundred twenty-six thousand, two hundred ninety-seven".