224257752 has 48 divisors (see below), whose sum is σ = 615699240. Its totient is φ = 73726848.

The previous prime is 224257739. The next prime is 224257753. The reversal of 224257752 is 257752422.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224257753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16078 + ... + 26589.

Almost surely, 2^224257752 is an apocalyptic number.

It is an amenable number.

224257752 is an abundant number, since it is smaller than the sum of its proper divisors (391441488).

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

224257752 is a wasteful number, since it uses less digits than its factorization.

224257752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42752 (or 42745 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 224257752 is about 14975.2379613814. The cubic root of 224257752 is about 607.5506476089.

The spelling of 224257752 in words is "two hundred twenty-four million, two hundred fifty-seven thousand, seven hundred fifty-two".