922855680 has 504 divisors, whose sum is σ = 3538801728. Its totient is φ = 229920768.

The previous prime is 922855679. The next prime is 922855711. The reversal of 922855680 is 86558229.

922855680 is a `hidden beast` number, since 9 + 2 + 2 + 85 + 568 + 0 = 666.

It is a super-2 number, since 2×922855680² = 1703325212216524800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 21461739 + ... + 21461781.

It is an arithmetic number, because the mean of its divisors is an integer number (7021432).

Almost surely, 2^922855680 is an apocalyptic number.

922855680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 922855680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769400864).

922855680 is an abundant number, since it is smaller than the sum of its proper divisors (2615946048).

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

922855680 is an equidigital number, since it uses as much as digits as its factorization.

922855680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 922855680 is about 30378.5397937426. The cubic root of 922855680 is about 973.5940920590.

The spelling of 922855680 in words is "nine hundred twenty-two million, eight hundred fifty-five thousand, six hundred eighty".