322504345 has 4 divisors (see below), whose sum is σ = 387005220. Its totient is φ = 258003472.

The previous prime is 322504333. The next prime is 322504349. The reversal of 322504345 is 543405223.

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 154231561 + 168272784 = 12419^2 + 12972^2 .

It is a cyclic number.

It is not a de Polignac number, because 322504345 - 2¹⁷ = 322373273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (322504349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32250430 + ... + 32250439.

It is an arithmetic number, because the mean of its divisors is an integer number (96751305).

Almost surely, 2^322504345 is an apocalyptic number.

It is an amenable number.

322504345 is a deficient number, since it is larger than the sum of its proper divisors (64500875).

322504345 is an equidigital number, since it uses as much as digits as its factorization.

322504345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64500874.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 322504345 is about 17958.4059704641. The cubic root of 322504345 is about 685.7700647727.

Adding to 322504345 its reverse (543405223), we get a palindrome (865909568).

The spelling of 322504345 in words is "three hundred twenty-two million, five hundred four thousand, three hundred forty-five".