10347221 has 4 divisors (see below), whose sum is σ = 10444032. Its totient is φ = 10250412.

The previous prime is 10347179. The next prime is 10347223. The reversal of 10347221 is 12274301.

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 10347221 - 2⁶ = 10347157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10347193 and 10347202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10347223) 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, 48245 + ... + 48458.

It is an arithmetic number, because the mean of its divisors is an integer number (2611008).

Almost surely, 2^10347221 is an apocalyptic number.

It is an amenable number.

10347221 is a deficient number, since it is larger than the sum of its proper divisors (96811).

10347221 is an equidigital number, since it uses as much as digits as its factorization.

10347221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96810.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 10347221 is about 3216.7096542896. The cubic root of 10347221 is about 217.9087026171.

The spelling of 10347221 in words is "ten million, three hundred forty-seven thousand, two hundred twenty-one".