522234521240 has 128 divisors (see below), whose sum is σ = 1293951801600. Its totient is φ = 188870123520.

The previous prime is 522234521233. The next prime is 522234521267. The reversal of 522234521240 is 42125432225.

It is a super-2 number, since 2×522234521240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 522234521197 and 522234521206.

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, 1856270 + ... + 2119010.

It is an arithmetic number, because the mean of its divisors is an integer number (10108998450).

Almost surely, 2^522234521240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522234521240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646975900800).

522234521240 is an abundant number, since it is smaller than the sum of its proper divisors (771717280360).

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

522234521240 is a wasteful number, since it uses less digits than its factorization.

522234521240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262885 (or 262881 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 522234521240 its reverse (42125432225), we get a palindrome (564359953465).

The spelling of 522234521240 in words is "five hundred twenty-two billion, two hundred thirty-four million, five hundred twenty-one thousand, two hundred forty".