322406020 has 24 divisors (see below), whose sum is σ = 716880024. Its totient is φ = 121376256.

The previous prime is 322406011. The next prime is 322406027. The reversal of 322406020 is 20604223.

It can be written as a sum of positive squares in 4 ways, for example, as 43983424 + 278422596 = 6632^2 + 16686^2 .

It is not an unprimeable number, because it can be changed into a prime (322406027) 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 7 ways as a sum of consecutive naturals, for example, 473787 + ... + 474466.

It is an arithmetic number, because the mean of its divisors is an integer number (29870001).

Almost surely, 2^322406020 is an apocalyptic number.

It is an amenable number.

322406020 is an abundant number, since it is smaller than the sum of its proper divisors (394474004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322406020 is a wasteful number, since it uses less digits than its factorization.

322406020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948279 (or 948277 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 322406020 is about 17955.6681858404. The cubic root of 322406020 is about 685.7003652515.

The spelling of 322406020 in words is "three hundred twenty-two million, four hundred six thousand, twenty".