322774421 has 8 divisors (see below), whose sum is σ = 331874520. Its totient is φ = 313694208.

The previous prime is 322774409. The next prime is 322774447. The reversal of 322774421 is 124477223.

It can be written as a sum of positive squares in 4 ways, for example, as 99720196 + 223054225 = 9986^2 + 14935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 322774421 - 2⁶ = 322774357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322774471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31685 + ... + 40613.

It is an arithmetic number, because the mean of its divisors is an integer number (41484315).

Almost surely, 2^322774421 is an apocalyptic number.

It is an amenable number.

322774421 is a deficient number, since it is larger than the sum of its proper divisors (9100099).

322774421 is an equidigital number, since it uses as much as digits as its factorization.

322774421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943.

The product of its digits is 18816, while the sum is 32.

The square root of 322774421 is about 17965.9238838419. The cubic root of 322774421 is about 685.9614403438.

The spelling of 322774421 in words is "three hundred twenty-two million, seven hundred seventy-four thousand, four hundred twenty-one".