322748161 has 8 divisors (see below), whose sum is σ = 334220544. Its totient is φ = 311342160.

The previous prime is 322748149. The next prime is 322748189. The reversal of 322748161 is 161847223.

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 322748161 - 2¹¹ = 322746113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322748141) 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, 6595 + ... + 26248.

It is an arithmetic number, because the mean of its divisors is an integer number (41777568).

Almost surely, 2^322748161 is an apocalyptic number.

322748161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

322748161 is a deficient number, since it is larger than the sum of its proper divisors (11472383).

322748161 is a wasteful number, since it uses less digits than its factorization.

322748161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33191.

The product of its digits is 16128, while the sum is 34.

The square root of 322748161 is about 17965.1930409890. The cubic root of 322748161 is about 685.9428372217.

The spelling of 322748161 in words is "three hundred twenty-two million, seven hundred forty-eight thousand, one hundred sixty-one".