822400343 has 4 divisors (see below), whose sum is σ = 826023480. Its totient is φ = 818777208.

The previous prime is 822400321. The next prime is 822400379. The reversal of 822400343 is 343004228.

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

It is a cyclic number.

It is not a de Polignac number, because 822400343 - 2⁸ = 822400087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822400393) 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, 1811228 + ... + 1811681.

It is an arithmetic number, because the mean of its divisors is an integer number (206505870).

Almost surely, 2^822400343 is an apocalyptic number.

822400343 is a deficient number, since it is larger than the sum of its proper divisors (3623137).

822400343 is a wasteful number, since it uses less digits than its factorization.

822400343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623136.

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

The square root of 822400343 is about 28677.5233065898. The cubic root of 822400343 is about 936.9025642568.

The spelling of 822400343 in words is "eight hundred twenty-two million, four hundred thousand, three hundred forty-three".