322552420 has 12 divisors (see below), whose sum is σ = 677360124. Its totient is φ = 129020960.

The previous prime is 322552411. The next prime is 322552429. The reversal of 322552420 is 24255223.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (322552411) and next prime (322552429).

It can be written as a sum of positive squares in 2 ways, for example, as 252428544 + 70123876 = 15888^2 + 8374^2 .

It is not an unprimeable number, because it can be changed into a prime (322552429) 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, 8063791 + ... + 8063830.

It is an arithmetic number, because the mean of its divisors is an integer number (56446677).

Almost surely, 2^322552420 is an apocalyptic number.

It is an amenable number.

322552420 is an abundant number, since it is smaller than the sum of its proper divisors (354807704).

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

322552420 is a wasteful number, since it uses less digits than its factorization.

322552420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16127630 (or 16127628 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 322552420 is about 17959.7444302529. The cubic root of 322552420 is about 685.8041384819.

The spelling of 322552420 in words is "three hundred twenty-two million, five hundred fifty-two thousand, four hundred twenty".