10500222 has 8 divisors (see below), whose sum is σ = 21000456. Its totient is φ = 3500072.

The previous prime is 10500187. The next prime is 10500229. The reversal of 10500222 is 22200501.

It is a sphenic number, since it is the product of 3 distinct primes.

10500222 is an admirable number.

It is a super-2 number, since 2×10500222² = 220509324098568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10500198 and 10500207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875013 + ... + 875024.

It is an arithmetic number, because the mean of its divisors is an integer number (2625057).

Almost surely, 2^10500222 is an apocalyptic number.

10500222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10500222 is a wasteful number, since it uses less digits than its factorization.

10500222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750042.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 10500222 is about 3240.4046043666. The cubic root of 10500222 is about 218.9775002426.

Adding to 10500222 its reverse (22200501), we get a palindrome (32700723).

The spelling of 10500222 in words is "ten million, five hundred thousand, two hundred twenty-two".