224997888 has 120 divisors (see below), whose sum is σ = 621803952. Its totient is φ = 72290304.

The previous prime is 224997833. The next prime is 224997889. The reversal of 224997888 is 888799422.

It is a super-3 number, since 3×224997888³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (224997889) 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, 2102731 + ... + 2102837.

Almost surely, 2^224997888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224997888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310901976).

224997888 is an abundant number, since it is smaller than the sum of its proper divisors (396806064).

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

224997888 is an equidigital number, since it uses as much as digits as its factorization.

224997888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 149 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The square root of 224997888 is about 14999.9295998348. The cubic root of 224997888 is about 608.2182964980.

The spelling of 224997888 in words is "two hundred twenty-four million, nine hundred ninety-seven thousand, eight hundred eighty-eight".