224538752 has 16 divisors (see below), whose sum is σ = 447323550. Its totient is φ = 112269312.

The previous prime is 224538749. The next prime is 224538761. The reversal of 224538752 is 257835422.

It can be written as a sum of positive squares in only one way, i.e., 224520256 + 18496 = 14984^2 + 136^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×224538752² = 100835302299435008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 876977 + ... + 877232.

Almost surely, 2^224538752 is an apocalyptic number.

It is an amenable number.

224538752 is a deficient number, since it is larger than the sum of its proper divisors (222784798).

224538752 is an equidigital number, since it uses as much as digits as its factorization.

224538752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754223 (or 1754211 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 224538752 is about 14984.6171789606. The cubic root of 224538752 is about 607.8042998966.

The spelling of 224538752 in words is "two hundred twenty-four million, five hundred thirty-eight thousand, seven hundred fifty-two".