103220305 has 16 divisors (see below), whose sum is σ = 125308800. Its totient is φ = 81620352.

The previous prime is 103220303. The next prime is 103220347. The reversal of 103220305 is 503022301.

It is a cyclic number.

It is not a de Polignac number, because 103220305 - 2¹ = 103220303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103220303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225637 + ... + 226093.

It is an arithmetic number, because the mean of its divisors is an integer number (7831800).

Almost surely, 2^103220305 is an apocalyptic number.

It is an amenable number.

103220305 is a deficient number, since it is larger than the sum of its proper divisors (22088495).

103220305 is a wasteful number, since it uses less digits than its factorization.

103220305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 103220305 is about 10159.7394159496. The cubic root of 103220305 is about 469.0887807525.

Adding to 103220305 its reverse (503022301), we get a palindrome (606242606).

The spelling of 103220305 in words is "one hundred three million, two hundred twenty thousand, three hundred five".