10220810 has 16 divisors (see below), whose sum is σ = 18478152. Its totient is φ = 4070400.

The previous prime is 10220807. The next prime is 10220827. The reversal of 10220810 is 1802201.

It is a Cunningham number, because it is equal to 3197²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 10220809 + 1 = 3197^2 + 1^2 .

It is a super-2 number, since 2×10220810² = 208929914112200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 290 + ... + 4530.

Almost surely, 2^10220810 is an apocalyptic number.

10220810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10220810 is a deficient number, since it is larger than the sum of its proper divisors (8257342).

10220810 is a wasteful number, since it uses less digits than its factorization.

10220810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 10220810 is about 3197.0001563966. Note that the first 3 decimals coincide. The cubic root of 10220810 is about 217.0176743092.

The spelling of 10220810 in words is "ten million, two hundred twenty thousand, eight hundred ten".