322433020409 has 4 divisors (see below), whose sum is σ = 331147426404. Its totient is φ = 313718614416.

The previous prime is 322433020391. The next prime is 322433020421. The reversal of 322433020409 is 904020334223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 904020334223 = 17 ⋅53177666719.

It can be written as a sum of positive squares in 2 ways, for example, as 309216069184 + 13216951225 = 556072^2 + 114965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322433020409 is a prime.

It is a super-2 number, since 2×322433020409² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322433020499) 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, 4357202942 + ... + 4357203015.

It is an arithmetic number, because the mean of its divisors is an integer number (82786856601).

Almost surely, 2^322433020409 is an apocalyptic number.

It is an amenable number.

322433020409 is a deficient number, since it is larger than the sum of its proper divisors (8714405995).

322433020409 is an equidigital number, since it uses as much as digits as its factorization.

322433020409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714405994.

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 322433020409 in words is "three hundred twenty-two billion, four hundred thirty-three million, twenty thousand, four hundred nine".