10220185 has 4 divisors (see below), whose sum is σ = 12264228. Its totient is φ = 8176144.

The previous prime is 10220159. The next prime is 10220239. The reversal of 10220185 is 58102201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58102201 = 6991 ⋅8311.

It can be written as a sum of positive squares in 2 ways, for example, as 1879641 + 8340544 = 1371^2 + 2888^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220185 - 2⁵ = 10220153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022014 + ... + 1022023.

It is an arithmetic number, because the mean of its divisors is an integer number (3066057).

Almost surely, 2^10220185 is an apocalyptic number.

It is an amenable number.

10220185 is a deficient number, since it is larger than the sum of its proper divisors (2044043).

10220185 is an equidigital number, since it uses as much as digits as its factorization.

10220185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044042.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10220185 is about 3196.9024070184. The cubic root of 10220185 is about 217.0132506933.

Adding to 10220185 its reverse (58102201), we get a palindrome (68322386).

The spelling of 10220185 in words is "ten million, two hundred twenty thousand, one hundred eighty-five".