224208440 has 32 divisors (see below), whose sum is σ = 504900000. Its totient is φ = 89606784.

The previous prime is 224208433. The next prime is 224208451. The reversal of 224208440 is 44802422.

224208440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80186 + ... + 82934.

It is an arithmetic number, because the mean of its divisors is an integer number (15778125).

Almost surely, 2^224208440 is an apocalyptic number.

224208440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224208440 is an abundant number, since it is smaller than the sum of its proper divisors (280691560).

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

224208440 is a wasteful number, since it uses less digits than its factorization.

224208440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799 (or 4795 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 224208440 is about 14973.5914195626. The cubic root of 224208440 is about 607.5061129407.

The spelling of 224208440 in words is "two hundred twenty-four million, two hundred eight thousand, four hundred forty".