224204220440 has 16 divisors (see below), whose sum is σ = 504459496080. Its totient is φ = 89681688160.

The previous prime is 224204220439. The next prime is 224204220463. The reversal of 224204220440 is 44022402422.

It is a super-2 number, since 2×224204220440² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2802552716 + ... + 2802552795.

It is an arithmetic number, because the mean of its divisors is an integer number (31528718505).

Almost surely, 2^224204220440 is an apocalyptic number.

224204220440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224204220440 is an abundant number, since it is smaller than the sum of its proper divisors (280255275640).

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

224204220440 is a wasteful number, since it uses less digits than its factorization.

224204220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605105522 (or 5605105518 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 224204220440 its reverse (44022402422), we get a palindrome (268226622862).

The spelling of 224204220440 in words is "two hundred twenty-four billion, two hundred four million, two hundred twenty thousand, four hundred forty".