522145541225 has 48 divisors (see below), whose sum is σ = 849708948480. Its totient is φ = 308362075200.

The previous prime is 522145541221. The next prime is 522145541233.

522145541225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522145541225 - 2² = 522145541221 is a prime.

It is a super-2 number, since 2×522145541225² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (522145541221) 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 47 ways as a sum of consecutive naturals, for example, 7101437 + ... + 7174586.

It is an arithmetic number, because the mean of its divisors is an integer number (17702269760).

Almost surely, 2^522145541225 is an apocalyptic number.

522145541225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522145541225 is a deficient number, since it is larger than the sum of its proper divisors (327563407255).

522145541225 is a wasteful number, since it uses less digits than its factorization.

522145541225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14276070 (or 14276065 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The spelling of 522145541225 in words is "five hundred twenty-two billion, one hundred forty-five million, five hundred forty-one thousand, two hundred twenty-five".