820342322 has 8 divisors (see below), whose sum is σ = 1237388400. Its totient is φ = 407879524.

The previous prime is 820342319. The next prime is 820342333. The reversal of 820342322 is 223243028.

820342322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 820342291 and 820342300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145372 + ... + 1146087.

It is an arithmetic number, because the mean of its divisors is an integer number (154673550).

Almost surely, 2^820342322 is an apocalyptic number.

820342322 is a deficient number, since it is larger than the sum of its proper divisors (417046078).

820342322 is a wasteful number, since it uses less digits than its factorization.

820342322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291640.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 820342322 is about 28641.6187042562. The cubic root of 820342322 is about 936.1203921710.

The spelling of 820342322 in words is "eight hundred twenty million, three hundred forty-two thousand, three hundred twenty-two".