10220386 has 24 divisors (see below), whose sum is σ = 17021340. Its totient is φ = 4598880.

The previous prime is 10220351. The next prime is 10220387. The reversal of 10220386 is 68302201.

It can be written as a sum of positive squares in 2 ways, for example, as 8886361 + 1334025 = 2981^2 + 1155^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (10220387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37860 + ... + 38128.

Almost surely, 2^10220386 is an apocalyptic number.

10220386 is a deficient number, since it is larger than the sum of its proper divisors (6800954).

10220386 is a wasteful number, since it uses less digits than its factorization.

10220386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 10220386 is about 3196.9338435445. The cubic root of 10220386 is about 217.0146733479.

Adding to 10220386 its reverse (68302201), we get a palindrome (78522587).

The spelling of 10220386 in words is "ten million, two hundred twenty thousand, three hundred eighty-six".