322670345 has 4 divisors (see below), whose sum is σ = 387204420. Its totient is φ = 258136272.

The previous prime is 322670317. The next prime is 322670347. The reversal of 322670345 is 543076223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543076223 = 607 ⋅894689.

It can be written as a sum of positive squares in 2 ways, for example, as 61136761 + 261533584 = 7819^2 + 16172^2 .

It is a cyclic number.

It is not a de Polignac number, because 322670345 - 2¹⁶ = 322604809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (322670347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32267030 + ... + 32267039.

It is an arithmetic number, because the mean of its divisors is an integer number (96801105).

Almost surely, 2^322670345 is an apocalyptic number.

It is an amenable number.

322670345 is a deficient number, since it is larger than the sum of its proper divisors (64534075).

322670345 is an equidigital number, since it uses as much as digits as its factorization.

322670345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64534074.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 322670345 is about 17963.0271669338. The cubic root of 322670345 is about 685.8877048464.

The spelling of 322670345 in words is "three hundred twenty-two million, six hundred seventy thousand, three hundred forty-five".