224090395581 has 16 divisors (see below), whose sum is σ = 321780412800. Its totient is φ = 137897672640.

The previous prime is 224090395561. The next prime is 224090395619. The reversal of 224090395581 is 185593090422.

It is a happy number.

224090395581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224090395581 - 2⁷ = 224090395453 is a prime.

It is a super-2 number, since 2×224090395581² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224090395581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224090395531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1724320 + ... + 1849718.

It is an arithmetic number, because the mean of its divisors is an integer number (20111275800).

Almost surely, 2^224090395581 is an apocalyptic number.

It is an amenable number.

224090395581 is a deficient number, since it is larger than the sum of its proper divisors (97690017219).

224090395581 is a wasteful number, since it uses less digits than its factorization.

224090395581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171236.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 224090395581 in words is "two hundred twenty-four billion, ninety million, three hundred ninety-five thousand, five hundred eighty-one".