10220545 has 16 divisors (see below), whose sum is σ = 12759552. Its totient is φ = 7850880.

The previous prime is 10220513. The next prime is 10220563. The reversal of 10220545 is 54502201.

It is not a de Polignac number, because 10220545 - 2⁵ = 10220513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35974 + ... + 36256.

It is an arithmetic number, because the mean of its divisors is an integer number (797472).

Almost surely, 2^10220545 is an apocalyptic number.

It is an amenable number.

10220545 is a deficient number, since it is larger than the sum of its proper divisors (2539007).

10220545 is a wasteful number, since it uses less digits than its factorization.

10220545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

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

The square root of 10220545 is about 3196.9587110252. The cubic root of 10220545 is about 217.0157987181.

Adding to 10220545 its reverse (54502201), we get a palindrome (64722746).

The spelling of 10220545 in words is "ten million, two hundred twenty thousand, five hundred forty-five".