2220239 has 8 divisors (see below), whose sum is σ = 2589600. Its totient is φ = 1902768.

The previous prime is 2220209. The next prime is 2220263. The reversal of 2220239 is 9320222.

2220239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220239 - 2¹² = 2216143 is a prime.

It is a super-2 number, since 2×2220239² = 9858922434242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220209) 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 in 7 ways as a sum of consecutive naturals, for example, 2894 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (323700).

2^2220239 is an apocalyptic number.

2220239 is a deficient number, since it is larger than the sum of its proper divisors (369361).

2220239 is an frugal number, since it uses more digits than its factorization.

2220239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494 (or 6480 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2220239 is about 1490.0466435652. The cubic root of 2220239 is about 130.4567562223.

The spelling of 2220239 in words is "two million, two hundred twenty thousand, two hundred thirty-nine".