100544224 has 72 divisors (see below), whose sum is σ = 227238480. Its totient is φ = 43676160.

The previous prime is 100544221. The next prime is 100544231. The reversal of 100544224 is 422445001.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 100544195 and 100544204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100544221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88492 + ... + 89620.

It is an arithmetic number, because the mean of its divisors is an integer number (3156090).

Almost surely, 2^100544224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100544224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113619240).

100544224 is an abundant number, since it is smaller than the sum of its proper divisors (126694256).

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

100544224 is a wasteful number, since it uses less digits than its factorization.

100544224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 100544224 is about 10027.1742779309. The cubic root of 100544224 is about 464.9993818160. Note that the first 3 decimals are identical.

Adding to 100544224 its reverse (422445001), we get a palindrome (522989225).

The spelling of 100544224 in words is "one hundred million, five hundred forty-four thousand, two hundred twenty-four".