224040120 has 32 divisors (see below), whose sum is σ = 672120720. Its totient is φ = 59744000.

The previous prime is 224040097. The next prime is 224040121. The reversal of 224040120 is 21040422.

224040120 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×224040120² = 100387950739228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 224040120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224040121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933381 + ... + 933620.

Almost surely, 2^224040120 is an apocalyptic number.

224040120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224040120 is an abundant number, since it is smaller than the sum of its proper divisors (448080600).

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

224040120 is a wasteful number, since it uses less digits than its factorization.

224040120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867015 (or 1867011 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 224040120 is about 14967.9698022143. The cubic root of 224040120 is about 607.3540505290.

Adding to 224040120 its reverse (21040422), we get a palindrome (245080542).

The spelling of 224040120 in words is "two hundred twenty-four million, forty thousand, one hundred twenty".