922801680 has 160 divisors (see below), whose sum is σ = 3199259520. Its totient is φ = 244477440.

The previous prime is 922801673. The next prime is 922801681. The reversal of 922801680 is 86108229.

It is a super-2 number, since 2×922801680² = 1703125881221644800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (922801681) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 350770 + ... + 353390.

It is an arithmetic number, because the mean of its divisors is an integer number (19995372).

Almost surely, 2^922801680 is an apocalyptic number.

922801680 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 922801680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599629760).

922801680 is an abundant number, since it is smaller than the sum of its proper divisors (2276457840).

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

922801680 is a wasteful number, since it uses less digits than its factorization.

922801680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 922801680 is about 30377.6509954275. The cubic root of 922801680 is about 973.5751020524.

The spelling of 922801680 in words is "nine hundred twenty-two million, eight hundred one thousand, six hundred eighty".