224488520 has 16 divisors (see below), whose sum is σ = 505099260. Its totient is φ = 89795392.

The previous prime is 224488501. The next prime is 224488547. The reversal of 224488520 is 25884422.

It can be written as a sum of positive squares in 2 ways, for example, as 205005124 + 19483396 = 14318^2 + 4414^2 .

It is a super-2 number, since 2×224488520² = 100790191223580800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806067 + ... + 2806146.

Almost surely, 2^224488520 is an apocalyptic number.

224488520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224488520 is an abundant number, since it is smaller than the sum of its proper divisors (280610740).

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

224488520 is a wasteful number, since it uses less digits than its factorization.

224488520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612224 (or 5612220 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 224488520 is about 14982.9409663123. The cubic root of 224488520 is about 607.7589721565.

The spelling of 224488520 in words is "two hundred twenty-four million, four hundred eighty-eight thousand, five hundred twenty".