522333333225 has 72 divisors (see below), whose sum is σ = 1042322965632. Its totient is φ = 247864118400.

The previous prime is 522333333209. The next prime is 522333333227.

522333333225 is a `hidden beast` number, since 52 + 23 + 33 + 333 + 225 = 666.

522333333225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522333333225 - 2⁴ = 522333333209 is a prime.

It is a super-2 number, since 2×522333333225² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522333333225.

It is not an unprimeable number, because it can be changed into a prime (522333333227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2128822 + ... + 2361471.

It is an arithmetic number, because the mean of its divisors is an integer number (14476707856).

Almost surely, 2^522333333225 is an apocalyptic number.

522333333225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522333333225 is a deficient number, since it is larger than the sum of its proper divisors (519989632407).

522333333225 is a wasteful number, since it uses less digits than its factorization.

522333333225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490367 (or 4490359 counting only the distinct ones).

The product of its digits is 291600, while the sum is 36.

It can be divided in two parts, 522333 and 333225, that added together give a palindrome (855558).

The spelling of 522333333225 in words is "five hundred twenty-two billion, three hundred thirty-three million, three hundred thirty-three thousand, two hundred twenty-five".