2213933 has 2 divisors, whose sum is σ = 2213934. Its totient is φ = 2213932.

The previous prime is 2213923. The next prime is 2213963. The reversal of 2213933 is 3393122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1444804 + 769129 = 1202^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213933 - 2⁸ = 2213677 is a prime.

It is a super-3 number, since 3×2213933³ = 32554773338458911711, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2213899 and 2213908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106966 + 1106967.

It is an arithmetic number, because the mean of its divisors is an integer number (1106967).

2^2213933 is an apocalyptic number.

It is an amenable number.

2213933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213933 is an equidigital number, since it uses as much as digits as its factorization.

2213933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 23.

The square root of 2213933 is about 1487.9290977731. The cubic root of 2213933 is about 130.3331298341. Note that the first 3 decimals are identical.

The spelling of 2213933 in words is "two million, two hundred thirteen thousand, nine hundred thirty-three".