224732916 has 18 divisors (see below), whose sum is σ = 568074962. Its totient is φ = 74910960.

The previous prime is 224732887. The next prime is 224732917. The reversal of 224732916 is 619237422.

It can be written as a sum of positive squares in only one way, i.e., 202208400 + 22524516 = 14220^2 + 4746^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6242581 = 224732916 / (2 + 2 + 4 + 7 + 3 + 2 + 9 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224732917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3121255 + ... + 3121326.

Almost surely, 2^224732916 is an apocalyptic number.

It is an amenable number.

224732916 is an abundant number, since it is smaller than the sum of its proper divisors (343342046).

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

224732916 is a wasteful number, since it uses less digits than its factorization.

224732916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242591 (or 6242586 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 224732916 is about 14991.0945564358. The cubic root of 224732916 is about 607.9794437014.

The spelling of 224732916 in words is "two hundred twenty-four million, seven hundred thirty-two thousand, nine hundred sixteen".