822400342 has 4 divisors (see below), whose sum is σ = 1233600516. Its totient is φ = 411200170.

The previous prime is 822400321. The next prime is 822400379. The reversal of 822400342 is 243004228.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 205600084 + ... + 205600087.

It is an arithmetic number, because the mean of its divisors is an integer number (308400129).

Almost surely, 2^822400342 is an apocalyptic number.

822400342 is a deficient number, since it is larger than the sum of its proper divisors (411200174).

822400342 is a wasteful number, since it uses less digits than its factorization.

822400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411200173.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 822400342 is about 28677.5232891545. The cubic root of 822400342 is about 936.9025638771.

The spelling of 822400342 in words is "eight hundred twenty-two million, four hundred thousand, three hundred forty-two".