105520422225 has 48 divisors (see below), whose sum is σ = 177846259968. Its totient is φ = 55192779840.

The previous prime is 105520422223. The next prime is 105520422229. The reversal of 105520422225 is 522224025501.

It is not a de Polignac number, because 105520422225 - 2¹ = 105520422223 is a prime.

It is a super-2 number, since 2×105520422225² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105520422192 and 105520422201.

It is not an unprimeable number, because it can be changed into a prime (105520422223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1094422 + ... + 1186928.

It is an arithmetic number, because the mean of its divisors is an integer number (3705130416).

Almost surely, 2^105520422225 is an apocalyptic number.

105520422225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105520422225 is a deficient number, since it is larger than the sum of its proper divisors (72325837743).

105520422225 is a wasteful number, since it uses less digits than its factorization.

105520422225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92814 (or 92809 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 105520422225 its reverse (522224025501), we get a palindrome (627744447726).

The spelling of 105520422225 in words is "one hundred five billion, five hundred twenty million, four hundred twenty-two thousand, two hundred twenty-five".