322648028 has 12 divisors (see below), whose sum is σ = 572369280. Its totient is φ = 159113952.

The previous prime is 322648021. The next prime is 322648033. The reversal of 322648028 is 820846223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322648021) 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, 552188 + ... + 552771.

It is an arithmetic number, because the mean of its divisors is an integer number (47697440).

Almost surely, 2^322648028 is an apocalyptic number.

It is an amenable number.

322648028 is a deficient number, since it is larger than the sum of its proper divisors (249721252).

322648028 is a wasteful number, since it uses less digits than its factorization.

322648028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105036 (or 1105034 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 322648028 is about 17962.4059635674. The cubic root of 322648028 is about 685.8718916911.

The spelling of 322648028 in words is "three hundred twenty-two million, six hundred forty-eight thousand, twenty-eight".