224422400440 has 32 divisors (see below), whose sum is σ = 577086173280. Its totient is φ = 76944822912.

The previous prime is 224422400431. The next prime is 224422400467. The reversal of 224422400440 is 44004224422.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 224422400399 and 224422400408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400754007 + ... + 400754566.

It is an arithmetic number, because the mean of its divisors is an integer number (18033942915).

Almost surely, 2^224422400440 is an apocalyptic number.

224422400440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224422400440 is an abundant number, since it is smaller than the sum of its proper divisors (352663772840).

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

224422400440 is a wasteful number, since it uses less digits than its factorization.

224422400440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801508591 (or 801508587 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 224422400440 its reverse (44004224422), we get a palindrome (268426624862).

The spelling of 224422400440 in words is "two hundred twenty-four billion, four hundred twenty-two million, four hundred thousand, four hundred forty".