224213752 has 32 divisors (see below), whose sum is σ = 501350400. Its totient is φ = 91913184.

The previous prime is 224213749. The next prime is 224213753. The reversal of 224213752 is 257312422.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 224213752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224213753) 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 7 ways as a sum of consecutive naturals, for example, 85752 + ... + 88327.

It is an arithmetic number, because the mean of its divisors is an integer number (15667200).

Almost surely, 2^224213752 is an apocalyptic number.

It is an amenable number.

224213752 is an abundant number, since it is smaller than the sum of its proper divisors (277136648).

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

224213752 is a wasteful number, since it uses less digits than its factorization.

224213752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174115 (or 174111 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 224213752 is about 14973.7687974671. The cubic root of 224213752 is about 607.5109106295.

The spelling of 224213752 in words is "two hundred twenty-four million, two hundred thirteen thousand, seven hundred fifty-two".