105522250 has 16 divisors (see below), whose sum is σ = 197538120. Its totient is φ = 42208800.

The previous prime is 105522239. The next prime is 105522269. The reversal of 105522250 is 52225501.

It can be written as a sum of positive squares in 4 ways, for example, as 8755681 + 96766569 = 2959^2 + 9837^2 .

It is a super-2 number, since 2×105522250² = 22269890490125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210795 + ... + 211294.

Almost surely, 2^105522250 is an apocalyptic number.

105522250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105522250 is a deficient number, since it is larger than the sum of its proper divisors (92015870).

105522250 is an equidigital number, since it uses as much as digits as its factorization.

105522250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422106 (or 422096 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 105522250 is about 10272.4023480391. The cubic root of 105522250 is about 472.5502685337.

Adding to 105522250 its reverse (52225501), we get a palindrome (157747751).

The spelling of 105522250 in words is "one hundred five million, five hundred twenty-two thousand, two hundred fifty".