105224428 has 6 divisors (see below), whose sum is σ = 184142756. Its totient is φ = 52612212.

The previous prime is 105224417. The next prime is 105224437. The reversal of 105224428 is 824422501.

It is a super-2 number, since 2×105224428² = 22144360495854368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105224396 and 105224405.

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 as a sum of consecutive naturals, namely, 13153050 + ... + 13153057.

Almost surely, 2^105224428 is an apocalyptic number.

It is an amenable number.

105224428 is a deficient number, since it is larger than the sum of its proper divisors (78918328).

105224428 is a wasteful number, since it uses less digits than its factorization.

105224428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26306111 (or 26306109 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 105224428 is about 10257.8958856093. The cubic root of 105224428 is about 472.1052803073.

Adding to 105224428 its reverse (824422501), we get a palindrome (929646929).

The spelling of 105224428 in words is "one hundred five million, two hundred twenty-four thousand, four hundred twenty-eight".