322561667 has 2 divisors, whose sum is σ = 322561668. Its totient is φ = 322561666.

The previous prime is 322561663. The next prime is 322561691. The reversal of 322561667 is 766165223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 322561667 - 2² = 322561663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 322561667.

It is not a weakly prime, because it can be changed into another prime (322561663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161280833 + 161280834.

It is an arithmetic number, because the mean of its divisors is an integer number (161280834).

Almost surely, 2^322561667 is an apocalyptic number.

322561667 is a deficient number, since it is larger than the sum of its proper divisors (1).

322561667 is an equidigital number, since it uses as much as digits as its factorization.

322561667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 322561667 is about 17960.0018652560. The cubic root of 322561667 is about 685.8106920113.

The spelling of 322561667 in words is "three hundred twenty-two million, five hundred sixty-one thousand, six hundred sixty-seven".