822226000 has 40 divisors (see below), whose sum is σ = 1988147304. Its totient is φ = 328889600.

The previous prime is 822225997. The next prime is 822226001. The reversal of 822226000 is 622228.

It can be written as a sum of positive squares in 4 ways, for example, as 11343424 + 810882576 = 3368^2 + 28476^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822226001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203557 + ... + 207556.

Almost surely, 2^822226000 is an apocalyptic number.

822226000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

822226000 is an abundant number, since it is smaller than the sum of its proper divisors (1165921304).

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

822226000 is a wasteful number, since it uses less digits than its factorization.

822226000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411136 (or 411120 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 822226000 is about 28674.4834303950. The cubic root of 822226000 is about 936.8363540268.

Adding to 822226000 its reverse (622228), we get a palindrome (822848228).

The spelling of 822226000 in words is "eight hundred twenty-two million, two hundred twenty-six thousand".