10189221 has 8 divisors (see below), whose sum is σ = 15526464. Its totient is φ = 5822400.

The previous prime is 10189219. The next prime is 10189229. The reversal of 10189221 is 12298101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10189221 - 2¹ = 10189219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10189191 and 10189200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10189229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242580 + ... + 242621.

It is an arithmetic number, because the mean of its divisors is an integer number (1940808).

Almost surely, 2^10189221 is an apocalyptic number.

It is an amenable number.

10189221 is a deficient number, since it is larger than the sum of its proper divisors (5337243).

10189221 is an equidigital number, since it uses as much as digits as its factorization.

10189221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485211.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 10189221 is about 3192.0559205628. The cubic root of 10189221 is about 216.7938679770.

The spelling of 10189221 in words is "ten million, one hundred eighty-nine thousand, two hundred twenty-one".