224608840 has 16 divisors (see below), whose sum is σ = 505369980. Its totient is φ = 89843520.

The previous prime is 224608793. The next prime is 224608847. The reversal of 224608840 is 48806422.

It can be written as a sum of positive squares in 2 ways, for example, as 185995044 + 38613796 = 13638^2 + 6214^2 .

It is a super-2 number, since 2×224608840² = 100898262012291200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224608796 and 224608805.

It is not an unprimeable number, because it can be changed into a prime (224608847) 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 3 ways as a sum of consecutive naturals, for example, 2807571 + ... + 2807650.

Almost surely, 2^224608840 is an apocalyptic number.

224608840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224608840 is an abundant number, since it is smaller than the sum of its proper divisors (280761140).

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

224608840 is a wasteful number, since it uses less digits than its factorization.

224608840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615232 (or 5615228 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 224608840 is about 14986.9556615078. The cubic root of 224608840 is about 607.8675337568.

The spelling of 224608840 in words is "two hundred twenty-four million, six hundred eight thousand, eight hundred forty".