2220349 has 2 divisors, whose sum is σ = 2220350. Its totient is φ = 2220348.

The previous prime is 2220331. The next prime is 2220367. The reversal of 2220349 is 9430222.

2220349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2220331) and next prime (2220367).

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 24025 = 1482^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220349 - 2¹³ = 2212157 is a prime.

It is equal to p₁₆₄₀₄₇ and since 2220349 and 164047 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110174 + 1110175.

It is an arithmetic number, because the mean of its divisors is an integer number (1110175).

2^2220349 is an apocalyptic number.

It is an amenable number.

2220349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220349 is an equidigital number, since it uses as much as digits as its factorization.

2220349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2220349 is about 1490.0835547042. The cubic root of 2220349 is about 130.4589106460.

The spelling of 2220349 in words is "two million, two hundred twenty thousand, three hundred forty-nine".