2193229 has 4 divisors (see below), whose sum is σ = 2202876. Its totient is φ = 2183584.

The previous prime is 2193223. The next prime is 2193239. The reversal of 2193229 is 9223912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1550025 + 643204 = 1245^2 + 802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2193229 - 2⁵ = 2193197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2193197 and 2193206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193223) 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, 4474 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (550719).

2^2193229 is an apocalyptic number.

It is an amenable number.

2193229 is a deficient number, since it is larger than the sum of its proper divisors (9647).

2193229 is an equidigital number, since it uses as much as digits as its factorization.

2193229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9646.

The product of its digits is 1944, while the sum is 28.

The square root of 2193229 is about 1480.9554348460. The cubic root of 2193229 is about 129.9255787058.

The spelling of 2193229 in words is "two million, one hundred ninety-three thousand, two hundred twenty-nine".