822259040 has 48 divisors (see below), whose sum is σ = 2009584080. Its totient is φ = 317560320.

The previous prime is 822259037. The next prime is 822259073. The reversal of 822259040 is 40952228.

It is a super-2 number, since 2×822259040² = 1352219857723443200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 822258988 and 822259006.

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 7 ways as a sum of consecutive naturals, for example, 83966 + ... + 93245.

It is an arithmetic number, because the mean of its divisors is an integer number (41866335).

Almost surely, 2^822259040 is an apocalyptic number.

822259040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

822259040 is an abundant number, since it is smaller than the sum of its proper divisors (1187325040).

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

822259040 is a wasteful number, since it uses less digits than its factorization.

822259040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177255 (or 177247 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 822259040 is about 28675.0595465816. The cubic root of 822259040 is about 936.8489023443.

The spelling of 822259040 in words is "eight hundred twenty-two million, two hundred fifty-nine thousand, forty".