103223221 has 4 divisors (see below), whose sum is σ = 104188032. Its totient is φ = 102258412.

The previous prime is 103223213. The next prime is 103223227. The reversal of 103223221 is 122322301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103223221 - 2³ = 103223213 is a prime.

It is a super-2 number, since 2×103223221² = 21310066707229682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103223195 and 103223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103223227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482245 + ... + 482458.

It is an arithmetic number, because the mean of its divisors is an integer number (26047008).

Almost surely, 2^103223221 is an apocalyptic number.

It is an amenable number.

103223221 is a deficient number, since it is larger than the sum of its proper divisors (964811).

103223221 is an equidigital number, since it uses as much as digits as its factorization.

103223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964810.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103223221 is about 10159.8829225538. The cubic root of 103223221 is about 469.0931980035.

Adding to 103223221 its reverse (122322301), we get a palindrome (225545522).

The spelling of 103223221 in words is "one hundred three million, two hundred twenty-three thousand, two hundred twenty-one".