105522030 has 24 divisors (see below), whose sum is σ = 274357512. Its totient is φ = 28139184.

The previous prime is 105522023. The next prime is 105522083. The reversal of 105522030 is 30225501.

It is a happy number.

It is a super-2 number, since 2×105522030² = 22269797630641800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 105521994 and 105522012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586144 + ... + 586323.

It is an arithmetic number, because the mean of its divisors is an integer number (11431563).

Almost surely, 2^105522030 is an apocalyptic number.

105522030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105522030 is an abundant number, since it is smaller than the sum of its proper divisors (168835482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105522030 is a wasteful number, since it uses less digits than its factorization.

105522030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172480 (or 1172477 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 105522030 is about 10272.3916397303. The cubic root of 105522030 is about 472.5499401317.

Adding to 105522030 its reverse (30225501), we get a palindrome (135747531).

The spelling of 105522030 in words is "one hundred five million, five hundred twenty-two thousand, thirty".