522620026225 has 24 divisors (see below), whose sum is σ = 707024077920. Its totient is φ = 380054112000.

The previous prime is 522620026157. The next prime is 522620026261.

522620026225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522620026225 - 2¹¹ = 522620024177 is a prime.

It is a super-2 number, since 2×522620026225² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3327465 + ... + 3480985.

It is an arithmetic number, because the mean of its divisors is an integer number (29459336580).

Almost surely, 2^522620026225 is an apocalyptic number.

522620026225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522620026225 is a deficient number, since it is larger than the sum of its proper divisors (184404051695).

522620026225 is a wasteful number, since it uses less digits than its factorization.

522620026225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165921 (or 165916 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 522620026225 in words is "five hundred twenty-two billion, six hundred twenty million, twenty-six thousand, two hundred twenty-five".