10505224 has 8 divisors (see below), whose sum is σ = 19697310. Its totient is φ = 5252608.

The previous prime is 10505207. The next prime is 10505263. The reversal of 10505224 is 42250501.

It can be written as a sum of positive squares in only one way, i.e., 8892324 + 1612900 = 2982^2 + 1270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10505224² = 220719462580352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656569 + ... + 656584.

Almost surely, 2^10505224 is an apocalyptic number.

It is an amenable number.

10505224 is a deficient number, since it is larger than the sum of its proper divisors (9192086).

10505224 is a wasteful number, since it uses less digits than its factorization.

10505224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313159 (or 1313155 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 10505224 is about 3241.1763296680. The cubic root of 10505224 is about 219.0122662243.

Adding to 10505224 its reverse (42250501), we get a palindrome (52755725).

The spelling of 10505224 in words is "ten million, five hundred five thousand, two hundred twenty-four".