672226339 has 2 divisors, whose sum is σ = 672226340. Its totient is φ = 672226338.

The previous prime is 672226337. The next prime is 672226391. The reversal of 672226339 is 933622276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672226339 - 2¹ = 672226337 is a prime.

Together with 672226337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (672226333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336113169 + 336113170.

It is an arithmetic number, because the mean of its divisors is an integer number (336113170).

Almost surely, 2^672226339 is an apocalyptic number.

672226339 is a deficient number, since it is larger than the sum of its proper divisors (1).

672226339 is an equidigital number, since it uses as much as digits as its factorization.

672226339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 40.

The square root of 672226339 is about 25927.3280343347. The cubic root of 672226339 is about 876.0021558262.

The spelling of 672226339 in words is "six hundred seventy-two million, two hundred twenty-six thousand, three hundred thirty-nine".