822404432 has 20 divisors (see below), whose sum is σ = 1594564980. Its totient is φ = 410903808.

The previous prime is 822404389. The next prime is 822404441. The reversal of 822404432 is 234404228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 713744656 + 108659776 = 26716^2 + 10424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 822404395 and 822404404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4994 + ... + 40862.

It is an arithmetic number, because the mean of its divisors is an integer number (79728249).

Almost surely, 2^822404432 is an apocalyptic number.

It is an amenable number.

822404432 is a deficient number, since it is larger than the sum of its proper divisors (772160548).

822404432 is a wasteful number, since it uses less digits than its factorization.

822404432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37310 (or 37304 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 822404432 is about 28677.5945992686. The cubic root of 822404432 is about 936.9041170238.

The spelling of 822404432 in words is "eight hundred twenty-two million, four hundred four thousand, four hundred thirty-two".