224140032 has 54 divisors (see below), whose sum is σ = 646257612. Its totient is φ = 74712576.

The previous prime is 224140009. The next prime is 224140061. The reversal of 224140032 is 230041422.

It is a super-2 number, since 2×224140032² = 100477507889922048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 224139987 and 224140014.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 46338 + ... + 50945.

Almost surely, 2^224140032 is an apocalyptic number.

It is an amenable number.

224140032 is an abundant number, since it is smaller than the sum of its proper divisors (422117580).

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

224140032 is an equidigital number, since it uses as much as digits as its factorization.

224140032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97305 (or 97288 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 224140032 is about 14971.3069569761. The cubic root of 224140032 is about 607.4443214733. Note that the first 3 decimals are identical.

Adding to 224140032 its reverse (230041422), we get a palindrome (454181454).

The spelling of 224140032 in words is "two hundred twenty-four million, one hundred forty thousand, thirty-two".