104224520 has 16 divisors (see below), whose sum is σ = 234505260. Its totient is φ = 41689792.

The previous prime is 104224499. The next prime is 104224529. The reversal of 104224520 is 25422401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96079204 + 8145316 = 9802^2 + 2854^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 104224492 and 104224501.

It is not an unprimeable number, because it can be changed into a prime (104224529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302767 + ... + 1302846.

Almost surely, 2^104224520 is an apocalyptic number.

104224520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104224520 is an abundant number, since it is smaller than the sum of its proper divisors (130280740).

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

104224520 is a wasteful number, since it uses less digits than its factorization.

104224520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605624 (or 2605620 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 104224520 is about 10209.0410911113. The cubic root of 104224520 is about 470.6051056329.

Adding to 104224520 its reverse (25422401), we get a palindrome (129646921).

The spelling of 104224520 in words is "one hundred four million, two hundred twenty-four thousand, five hundred twenty".