100224918 has 16 divisors (see below), whose sum is σ = 222722160. Its totient is φ = 33408288.

The previous prime is 100224857. The next prime is 100224919. The reversal of 100224918 is 819422001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100224891 and 100224900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100224919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927955 + ... + 928062.

It is an arithmetic number, because the mean of its divisors is an integer number (13920135).

Almost surely, 2^100224918 is an apocalyptic number.

100224918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

100224918 is an abundant number, since it is smaller than the sum of its proper divisors (122497242).

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

100224918 is a wasteful number, since it uses less digits than its factorization.

100224918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856028 (or 1856022 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 100224918 is about 10011.2395835880. The cubic root of 100224918 is about 464.5066150801.

Adding to 100224918 its reverse (819422001), we get a palindrome (919646919).

The spelling of 100224918 in words is "one hundred million, two hundred twenty-four thousand, nine hundred eighteen".