224397852 has 36 divisors (see below), whose sum is σ = 609081480. Its totient is φ = 64113504.

The previous prime is 224397851. The next prime is 224397863. The reversal of 224397852 is 258793422.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224397851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190227 + ... + 191402.

It is an arithmetic number, because the mean of its divisors is an integer number (16918930).

Almost surely, 2^224397852 is an apocalyptic number.

It is an amenable number.

224397852 is an abundant number, since it is smaller than the sum of its proper divisors (384683628).

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

224397852 is a wasteful number, since it uses less digits than its factorization.

224397852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381650 (or 381641 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 224397852 is about 14979.9149530296. The cubic root of 224397852 is about 607.6771391511.

The spelling of 224397852 in words is "two hundred twenty-four million, three hundred ninety-seven thousand, eight hundred fifty-two".