10522116225 has 72 divisors (see below), whose sum is σ = 19258064280. Its totient is φ = 5490524160.

The previous prime is 10522116223. The next prime is 10522116233. The reversal of 10522116225 is 52261122501.

10522116225 is a `hidden beast` number, since 1 + 0 + 5 + 22 + 11 + 622 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 7199861904 + 3322254321 = 84852^2 + 57639^2 .

It is not a de Polignac number, because 10522116225 - 2¹ = 10522116223 is a prime.

It is a super-2 number, since 2×10522116225² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10522116223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1939717 + ... + 1945133.

It is an arithmetic number, because the mean of its divisors is an integer number (267473115).

Almost surely, 2^10522116225 is an apocalyptic number.

10522116225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10522116225 is a deficient number, since it is larger than the sum of its proper divisors (8735948055).

10522116225 is a wasteful number, since it uses less digits than its factorization.

10522116225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619 (or 5611 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 10522116225 its reverse (52261122501), we get a palindrome (62783238726).

The spelling of 10522116225 in words is "ten billion, five hundred twenty-two million, one hundred sixteen thousand, two hundred twenty-five".