105028225 has 12 divisors (see below), whose sum is σ = 130621104. Its totient is φ = 83773520.

The previous prime is 105028223. The next prime is 105028229. The reversal of 105028225 is 522820501.

It is not a de Polignac number, because 105028225 - 2¹ = 105028223 is a prime.

It is a super-2 number, since 2×105028225² = 22061856093301250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105028225.

It is not an unprimeable number, because it can be changed into a prime (105028223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2622 + ... + 14728.

It is an arithmetic number, because the mean of its divisors is an integer number (10885092).

Almost surely, 2^105028225 is an apocalyptic number.

It is an amenable number.

105028225 is a deficient number, since it is larger than the sum of its proper divisors (25592879).

105028225 is a wasteful number, since it uses less digits than its factorization.

105028225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12464 (or 12459 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 105028225 is about 10248.3279123962. The cubic root of 105028225 is about 471.8116662803.

Adding to 105028225 its reverse (522820501), we get a palindrome (627848726).

The spelling of 105028225 in words is "one hundred five million, twenty-eight thousand, two hundred twenty-five".