524572221444 has 24 divisors (see below), whose sum is σ = 1224150570720. Its totient is φ = 174836161344.

The previous prime is 524572221431. The next prime is 524572221469. The reversal of 524572221444 is 444122275425.

It is a junction number, because it is equal to n+sod(n) for n = 524572221396 and 524572221405.

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, 2552689 + ... + 2750520.

It is an arithmetic number, because the mean of its divisors is an integer number (51006273780).

Almost surely, 2^524572221444 is an apocalyptic number.

It is an amenable number.

524572221444 is an abundant number, since it is smaller than the sum of its proper divisors (699578349276).

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

524572221444 is a wasteful number, since it uses less digits than its factorization.

524572221444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311459 (or 5311457 counting only the distinct ones).

The product of its digits is 716800, while the sum is 42.

Adding to 524572221444 its reverse (444122275425), we get a palindrome (968694496869).

The spelling of 524572221444 in words is "five hundred twenty-four billion, five hundred seventy-two million, two hundred twenty-one thousand, four hundred forty-four".