224472852 has 18 divisors (see below), whose sum is σ = 567417578. Its totient is φ = 74824272.

The previous prime is 224472851. The next prime is 224472869. The reversal of 224472852 is 258274422.

It can be written as a sum of positive squares in only one way, i.e., 223382916 + 1089936 = 14946^2 + 1044^2 .

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

It is a super-2 number, since 2×224472852² = 100776122570027808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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: 6235357 = 224472852 / (2 + 2 + 4 + 4 + 7 + 2 + 8 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224472851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3117643 + ... + 3117714.

Almost surely, 2^224472852 is an apocalyptic number.

It is an amenable number.

224472852 is an abundant number, since it is smaller than the sum of its proper divisors (342944726).

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

224472852 is a wasteful number, since it uses less digits than its factorization.

224472852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235367 (or 6235362 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 224472852 is about 14982.4180958883. The cubic root of 224472852 is about 607.7448324741.

The spelling of 224472852 in words is "two hundred twenty-four million, four hundred seventy-two thousand, eight hundred fifty-two".