2219933 has 4 divisors (see below), whose sum is σ = 2225628. Its totient is φ = 2214240.

The previous prime is 2219923. The next prime is 2219939. The reversal of 2219933 is 3399122.

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 375769 + 1844164 = 613^2 + 1358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219933 - 2⁶ = 2219869 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2219896 and 2219905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219939) 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, 2216 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (556407).

2^2219933 is an apocalyptic number.

It is an amenable number.

2219933 is a deficient number, since it is larger than the sum of its proper divisors (5695).

2219933 is an equidigital number, since it uses as much as digits as its factorization.

2219933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694.

The product of its digits is 2916, while the sum is 29.

The square root of 2219933 is about 1489.9439586776. The cubic root of 2219933 is about 130.4507626331.

The spelling of 2219933 in words is "two million, two hundred nineteen thousand, nine hundred thirty-three".