224040022420 has 96 divisors (see below), whose sum is σ = 494535621888. Its totient is φ = 85094203392.

The previous prime is 224040022403. The next prime is 224040022471. The reversal of 224040022420 is 24220040422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 224040022391 and 224040022400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36290454 + ... + 36296626.

It is an arithmetic number, because the mean of its divisors is an integer number (5151412728).

Almost surely, 2^224040022420 is an apocalyptic number.

224040022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224040022420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247267810944).

224040022420 is an abundant number, since it is smaller than the sum of its proper divisors (270495599468).

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

224040022420 is a wasteful number, since it uses less digits than its factorization.

224040022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769 (or 6767 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 224040022420 its reverse (24220040422), we get a palindrome (248260062842).

The spelling of 224040022420 in words is "two hundred twenty-four billion, forty million, twenty-two thousand, four hundred twenty".