224020992 has 120 divisors (see below), whose sum is σ = 646994304. Its totient is φ = 68849664.

The previous prime is 224020991. The next prime is 224020997. The reversal of 224020992 is 299020422.

It is not an unprimeable number, because it can be changed into a prime (224020991) 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, 259153 + ... + 260015.

Almost surely, 2^224020992 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 224020992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323497152).

224020992 is an abundant number, since it is smaller than the sum of its proper divisors (422973312).

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

224020992 is an equidigital number, since it uses as much as digits as its factorization.

224020992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 224020992 is about 14967.3308241650. The cubic root of 224020992 is about 607.3367652336.

It can be divided in two parts, 2240 and 20992, that added together give a palindrome (23232).

The spelling of 224020992 in words is "two hundred twenty-four million, twenty thousand, nine hundred ninety-two".