105222125 has 16 divisors (see below), whose sum is σ = 137030400. Its totient is φ = 80515600.

The previous prime is 105222109. The next prime is 105222151. The reversal of 105222125 is 521222501.

It is a happy number.

It is not a de Polignac number, because 105222125 - 2⁴ = 105222109 is a prime.

It is a super-2 number, since 2×105222125² = 22143391179031250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105222097 and 105222106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15425 + ... + 21174.

It is an arithmetic number, because the mean of its divisors is an integer number (8564400).

Almost surely, 2^105222125 is an apocalyptic number.

It is an amenable number.

105222125 is a deficient number, since it is larger than the sum of its proper divisors (31808275).

105222125 is an equidigital number, since it uses as much as digits as its factorization.

105222125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36637 (or 36627 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 105222125 is about 10257.7836300051. The cubic root of 105222125 is about 472.1018360298.

Adding to 105222125 its reverse (521222501), we get a palindrome (626444626).

The spelling of 105222125 in words is "one hundred five million, two hundred twenty-two thousand, one hundred twenty-five".