100822563 has 60 divisors (see below), whose sum is σ = 164932680. Its totient is φ = 61337088.

The previous prime is 100822523. The next prime is 100822609. The reversal of 100822563 is 365228001.

It is not a de Polignac number, because 100822563 - 2⁶ = 100822499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100822523) 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 59 ways as a sum of consecutive naturals, for example, 1381095 + ... + 1381167.

It is an arithmetic number, because the mean of its divisors is an integer number (2748878).

Almost surely, 2^100822563 is an apocalyptic number.

100822563 is a deficient number, since it is larger than the sum of its proper divisors (64110117).

100822563 is an equidigital number, since it uses as much as digits as its factorization.

100822563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 100822563 is about 10041.0439198322. The cubic root of 100822563 is about 465.4280761382.

The spelling of 100822563 in words is "one hundred million, eight hundred twenty-two thousand, five hundred sixty-three".