2220659 has 8 divisors (see below), whose sum is σ = 2687328. Its totient is φ = 1791360.

The previous prime is 2220653. The next prime is 2220661. The reversal of 2220659 is 9560222.

2220659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220659 - 2⁴ = 2220643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220653) 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, 9212 + ... + 9449.

It is an arithmetic number, because the mean of its divisors is an integer number (335916).

2^2220659 is an apocalyptic number.

2220659 is a deficient number, since it is larger than the sum of its proper divisors (466669).

2220659 is a wasteful number, since it uses less digits than its factorization.

2220659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18685.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2220659 is about 1490.1875720861. The cubic root of 2220659 is about 130.4649818207.

The spelling of 2220659 in words is "two million, two hundred twenty thousand, six hundred fifty-nine".