808224438 has 64 divisors (see below), whose sum is σ = 1963726848. Its totient is φ = 216483840.

The previous prime is 808224437. The next prime is 808224479. The reversal of 808224438 is 834422808.

It is a junction number, because it is equal to n+sod(n) for n = 808224396 and 808224405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808224437) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 191406 + ... + 195582.

It is an arithmetic number, because the mean of its divisors is an integer number (30683232).

Almost surely, 2^808224438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808224438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981863424).

808224438 is an abundant number, since it is smaller than the sum of its proper divisors (1155502410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

808224438 is a wasteful number, since it uses less digits than its factorization.

808224438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477.

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 808224438 is about 28429.2883836370. The cubic root of 808224438 is about 931.4881320178.

The spelling of 808224438 in words is "eight hundred eight million, two hundred twenty-four thousand, four hundred thirty-eight".