106550225 has 24 divisors (see below), whose sum is σ = 135731640. Its totient is φ = 82944000.

The previous prime is 106550221. The next prime is 106550251. The reversal of 106550225 is 522055601.

It can be written as a sum of positive squares in 12 ways, for example, as 24611521 + 81938704 = 4961^2 + 9052^2 .

It is not a de Polignac number, because 106550225 - 2² = 106550221 is a prime.

It is a super-2 number, since 2×106550225² = 22705900895101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106550194 and 106550203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106550221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165905 + ... + 166545.

It is an arithmetic number, because the mean of its divisors is an integer number (5655485).

Almost surely, 2^106550225 is an apocalyptic number.

It is an amenable number.

106550225 is a deficient number, since it is larger than the sum of its proper divisors (29181415).

106550225 is a wasteful number, since it uses less digits than its factorization.

106550225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 106550225 is about 10322.3168426473. The cubic root of 106550225 is about 474.0798066885.

The spelling of 106550225 in words is "one hundred six million, five hundred fifty thousand, two hundred twenty-five".