522245424451220 has 24 divisors (see below), whose sum is σ = 1115303787813600. Its totient is φ = 205357522834592.

The previous prime is 522245424451213. The next prime is 522245424451249. The reversal of 522245424451220 is 22154424542225.

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, 221290432910 + ... + 221290435269.

It is an arithmetic number, because the mean of its divisors is an integer number (46470991158900).

Almost surely, 2^{522245424451220} is an apocalyptic number.

It is an amenable number.

522245424451220 is an abundant number, since it is smaller than the sum of its proper divisors (593058363362380).

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

522245424451220 is a wasteful number, since it uses less digits than its factorization.

522245424451220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442580868247 (or 442580868245 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 44.

Adding to 522245424451220 its reverse (22154424542225), we get a palindrome (544399848993445).

The spelling of 522245424451220 in words is "five hundred twenty-two trillion, two hundred forty-five billion, four hundred twenty-four million, four hundred fifty-one thousand, two hundred twenty".