822861104 has 40 divisors (see below), whose sum is σ = 1727285280. Its totient is φ = 377491968.

The previous prime is 822861089. The next prime is 822861119. The reversal of 822861104 is 401168228.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (822861089) and next prime (822861119).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22892 + ... + 46580.

It is an arithmetic number, because the mean of its divisors is an integer number (43182132).

Almost surely, 2^822861104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822861104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863642640).

822861104 is an abundant number, since it is smaller than the sum of its proper divisors (904424176).

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

822861104 is a wasteful number, since it uses less digits than its factorization.

822861104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23877 (or 23871 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 822861104 is about 28685.5556683150. Note that the first 3 decimals coincide. The cubic root of 822861104 is about 937.0775024004.

The spelling of 822861104 in words is "eight hundred twenty-two million, eight hundred sixty-one thousand, one hundred four".